2010 Ford F 250 Owners Manual

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2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading Power is supplied to all four wheels through a transfer case or power transfer unit. 4WD vehicles allow you to select different drive modes as necessary. Information on transfer case operation and shifting procedures can be found in the Driving chapter. Information on transfer case maintenance can be found in the Maintenance and Specifications chapter. You should become thoroughly familiar with this information before you operate your vehicle. On some 4WD models, the initial shift from two-wheel drive to 4WD while the vehicle is moving can cause a momentary clunk and ratcheting sound. These sounds are normal as the front drivetrain comes up to speed and is not cause for concern. WARNING: Do not become overconfident in the ability of 4WD and AWD vehicles. Although a 4WD or AWD vehicle may accelerate better than two-wheel drive vehicle in low traction situations, it won’t stop any faster than two-wheel drive vehicles. Always drive at a safe speed. How your vehicle differs from other vehicles SUV and trucks can differ from some other vehicles in a few noticeable ways. Your vehicle may be: • Higher – to allow higher load carrying capacity and to allow it to travel over rough terrain without getting hung up or damaging underbody components. • Shorter – to give it the capability to approach inclines and drive over the crest of a hill without getting hung up or damaging underbody components. All other things held equal, a shorter wheelbase may make your vehicle quicker to respond to steering inputs than a vehicle with a longer wheelbase. 218 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading • Narrower — to provide greater maneuverability in tight spaces, particularly in off-road use. As a result of the above dimensional differences, SUV’s and trucks often will have a higher center of gravity and a greater difference in center of gravity between the loaded and unloaded condition. These differences that make your vehicle so versatile also make it handle differently than an ordinary passenger car. INFORMATION ABOUT UNIFORM TIRE QUALITY GRADING Tire Quality Grades apply to new pneumatic passenger car tires. The Quality grades can be found where applicable on the tire sidewall between tread shoulder and maximum section width. For example: • Treadwear 200 Traction AA Temperature A These Tire Quality Grades are determined by standards that the United States Department of Transportation has set. Tire Quality Grades apply to new pneumatic passenger car tires. They do not apply to deep tread, winter-type snow tires, space-saver or temporary use spare tires, light truck or “LT” type tires, tires with nominal rim diameters of 10 to 12 inches or limited production tires as defined in Title 49 Code of Federal Regulations Part 575.104(c)(2). U.S. Department of Transportation-Tire quality grades: The U.S. Department of Transportation requires Ford Motor Company to give you the following information about tire grades exactly as the government has written it. Treadwear The treadwear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions on a specified 219 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading government test course. For example, a tire graded 150 would wear one and one-half (11⁄2) times as well on the government course as a tire graded 100. The relative performance of tires depends upon the actual conditions of their use, however, and may depart significantly from the norm due to variations in driving habits, service practices, and differences in road characteristics and climate. Traction AA A B C The traction grades, from highest to lowest are AA, A, B, and C. The grades represent the tire’s ability to stop on wet pavement as measured under controlled conditions on specified government test surfaces of asphalt and concrete. A tire marked C may have poor traction performance. WARNING: The traction grade assigned to this tire is based on straight-ahead braking traction tests, and does not include acceleration, cornering, hydroplaning or peak traction characteristics. Temperature A B C The temperature grades are A (the highest), B and C, representing the tire’s resistance to the generation of heat and its ability to dissipate heat when tested under controlled conditions on a specified indoor laboratory test wheel. Sustained high temperature can cause the material of the tire to degenerate and reduce tire life, and excessive temperature can lead to sudden tire failure. The grade C corresponds to a level of performance which all passenger car tires must meet under the Federal Motor Vehicle Safety Standard No. 139. Grades B and A represent higher levels of performance on the laboratory test wheel than the minimum required by law. WARNING: The temperature grade for this tire is established for a tire that is properly inflated and not overloaded. Excessive speed, underinflation, or excessive loading, either separately or in combination, can cause heat buildup and possible tire failure. TIRES Tires are designed to give many thousands of miles of service, but they must be maintained in order to get the maximum benefit from them. Glossary of tire terminology • Tire label: A label showing the OE (Original Equipment) tire sizes, recommended inflation pressure and the maximum weight the vehicle can carry. 220 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading • Tire Identification Number (TIN): A number on the sidewall of each tire providing information about the tire brand and manufacturing plant, tire size and date of manufacture. Also referred to as DOT code. • Inflation pressure: A measure of the amount of air in a tire. • Standard load: A class of P-metric or Metric tires designed to carry a maximum load at 35 psi [37 psi (2.5 bar) for Metric tires]. Increasing the inflation pressure beyond this pressure will not increase the tire’s load carrying capability. • Extra load: A class of P-metric or Metric tires designed to carry a heavier maximum load at 41 psi [43 psi (2.9 bar) for Metric tires]. Increasing the inflation pressure beyond this pressure will not increase the tire’s load carrying capability. • kPa: Kilopascal, a metric unit of air pressure. • PSI: Pounds per square inch, a standard unit of air pressure. • Cold inflation pressure: The tire pressure when the vehicle has been stationary and out of direct sunlight for an hour or more and prior to the vehicle being driven for 1 mile (1.6 km). front door. • Recommended inflation pressure: The cold inflation pressure found on the Safety Compliance Certification Label or Tire Label located on the B-Pillar or the edge of the driver’s door. • B-pillar: The structural member at the side of the vehicle behind the • Bead area of the tire: Area of the tire next to the rim. • Sidewall of the tire: Area between the bead area and the tread. • Tread area of the tire: Area of the perimeter of the tire that • Rim: The metal support (wheel) for a tire or a tire and tube assembly contacts the road when mounted on the vehicle. upon which the tire beads are seated. INFLATING YOUR TIRES Safe operation of your vehicle requires that your tires are properly inflated. Remember that a tire can lose up to half of its air pressure without appearing flat. Every day before you drive, check your tires. If one looks lower than the others, use a tire gauge to check pressure of all tires and adjust if required. 221 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading At least once a month and before long trips, inspect each tire and check the tire pressure with a tire gauge (including spare, if equipped). Inflate all tires to the inflation pressure recommended by Ford Motor Company. You are strongly urged to buy a reliable tire pressure gauge, as automatic service station gauges may be inaccurate. Ford recommends the use of a digital or dial-type tire pressure gauge rather than a stick-type tire pressure gauge. Use the recommended cold inflation pressure for optimum tire performance and wear. Under-inflation or over-inflation may cause uneven treadwear patterns. WARNING: Under-inflation is the most common cause of tire failures and may result in severe tire cracking, tread separation or ⬙blowout⬙, with unexpected loss of vehicle control and increased risk of injury. Under-inflation increases sidewall flexing and rolling resistance, resulting in heat buildup and internal damage to the tire. It also may result in unnecessary tire stress, irregular wear, loss of vehicle control and accidents. A tire can lose up to half of its air pressure and not appear to be flat! Always inflate your tires to the Ford recommended inflation pressure even if it is less than the maximum inflation pressure information found on the tire. The Ford recommended tire inflation pressure is found on the Safety Compliance Certification Label or Tire Label which is located on the B-Pillar or the edge of the driver’s door. Failure to follow the tire pressure recommendations can cause uneven treadwear patterns and adversely affect the way your vehicle handles. Note: Do not reduce tire pressure to change the ride characteristics of the vehicle. If you do not maintain the inflation pressure at the levels specified by Ford, your vehicle may experience a condition known as ⬙shimmy⬙. Shimmy is a severe vibration and oscillation in the steering wheel after the vehicle travels over a bump or dip in the road that does not dampen out by itself. Shimmy may result from significant under-inflation of the tires, improper tires (load range, size, or type), or vehicle modifications such as lift-kits. In the event that your vehicle experiences shimmy, you should slowly reduce speed by either lifting off the accelerator pedal or lightly applying the brakes. The shimmy will cease as the vehicle speed decreases. Maximum Permissible Inflation Pressure is the tire manufacturer’s maximum permissible pressure and/or the pressure at which the maximum load can be carried by the tire. This pressure is normally 222 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading higher than the manufacturer’s recommended cold inflation pressure which can be found on the Safety Compliance Certification Label or Tire Label which is located on the B-Pillar or the edge of the driver’s door. The cold inflation pressure should never be set lower than the recommended pressure on the Safety Compliance Certification Label or Tire Label. When weather temperature changes occur, tire inflation pressures also change. A 10°F (6°C) temperature drop can cause a corresponding drop of 1 psi (7 kPa) in inflation pressure. Check your tire pressures frequently and adjust them to the proper pressure which can be found on the Safety Compliance Certification Label or Tire Label. To check the pressure in your tire(s): 1. Make sure the tires are cool, meaning they are not hot from driving even a mile. If you are checking tire pressure when the tire is hot, (i.e. driven more than 1 mile [1.6 km]), never “bleed” or reduce air pressure. The tires are hot from driving and it is normal for pressures to increase above recommended cold pressures. A hot tire at or below recommended cold inflation pressure could be significantly under-inflated. Note: If you have to drive a distance to get air for your tire(s), check and record the tire pressure first and add the appropriate air pressure when you get to the pump. It is normal for tires to heat up and the air pressure inside to go up as you drive. 2. Remove the cap from the valve on one tire, then firmly press the tire gauge onto the valve and measure the pressure. 3. Add enough air to reach the recommended air pressure. Note: If you overfill the tire, release air by pushing on the metal stem in the center of the valve. Then recheck the pressure with your tire gauge. 4. Replace the valve cap. 5. Repeat this procedure for each tire, including the spare. Note: Some spare tires operate at a higher inflation pressure than the other tires. For T-type/mini-spare tires (see the Dissimilar spare tire/wheel information section for description): Store and maintain at 60 psi (4.15 bar). For Full Size and Dissimilar spare tires (see the Dissimilar spare tire/wheel information section for description): Store and maintain at the higher of the front and rear inflation pressure as shown on the Tire Label. 6. Visually inspect the tires to make sure there are no nails or other objects embedded that could poke a hole in the tire and cause an air leak. 223 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading 7. Check the sidewalls to make sure there are no gouges, cuts or bulges. Tire inflation information All tires with Steel Carcass Plies (if equipped): This type of tire utilizes steel cords in the sidewalls. As such, they cannot be treated like normal light truck tires. Tire service, including adjusting tire pressure, must be performed by personnel trained, supervised and equipped according to Federal Occupational Safety and Health Administration (OSHA) regulations. For example, during any procedure involving tire inflation, the technician or individual must utilize a remote inflation device, and ensure that all persons are clear of the trajectory area. WARNING: An inflated tire and rim can be very dangerous if improperly used, serviced or maintained. To reduce the risk of serious injury, never attempt to re-inflate a tire which has been run flat or seriously under-inflated without first removing the tire from the wheel assembly for inspection. Do not attempt to add air to tires or replace tires or wheels without first taking precautions to protect persons and property. 224 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading WARNING: Stay out of the trajectory (1) as indicated in the illustration. TIRE CARE Inspecting your tires and wheel valve stems Periodically inspect the tire treads for uneven or excessive wear and remove objects such as stones, nails or glass that may be wedged in the tread grooves. Check the tire and valve stems for holes, cracks, or cuts that may permit air leakage and repair or replace the tire and replace the valve stem. Inspect the tire sidewalls for cracking, cuts, bruises and other signs of damage or excessive wear. If internal damage to the tire is suspected, have the tire demounted and inspected in case it needs to be repaired or replaced. For your safety, tires that are damaged or show signs of excessive wear should not be used because they are more likely to blow out or fail. 225 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading Improper or inadequate vehicle maintenance can cause tires to wear abnormally. Inspect all your tires, including the spare, frequently, and replace them if one or more of the following conditions exist: Tire wear When the tread is worn down to 1/16th of an inch (2 mm), tires must be replaced to help prevent your vehicle from skidding and hydroplaning. Built-in treadwear indicators, or “wear bars”, which look like narrow strips of smooth rubber across the tread will appear on the tire when the tread is worn down to 1/16th of an inch (2 mm). When the tire tread wears down to the same height as these “wear bars”, the tire is worn out and must be replaced. Damage Periodically inspect the tire treads and sidewalls for damage (such as bulges in the tread or sidewalls, cracks in the tread groove and separation in the tread or sidewall). If damage is observed or suspected have the tire inspected by a tire professional. Tires can be damaged during off-road use, so inspection after off-road use is also recommended. WARNING: Age Tires degrade over time depending on many factors such as weather, storage conditions, and conditions of use (load, speed, inflation pressure, etc.) the tires experience throughout their lives. In general, tires should be replaced after six years regardless of tread wear. However, heat caused by hot climates or frequent high loading conditions can accelerate the aging process and may require tires to be replaced more frequently. You should replace your spare tire when you replace the road tires or after six years due to aging even if it has not been used. 226 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading U.S. DOT Tire Identification Number (TIN) Both U.S. and Canada Federal regulations require tire manufacturers to place standardized information on the sidewall of all tires. This information identifies and describes the fundamental characteristics of the tire and also provides a U.S. DOT Tire Identification Number for safety standard certification and in case of a recall. This begins with the letters “DOT” and indicates that the tire meets all federal standards. The next two numbers or letters are the plant code designating where it was manufactured, the next two are the tire size code and the last four numbers represent the week and year the tire was built. For example, the numbers 317 mean the 31st week of 1997. After 2000 the numbers go to four digits. For example, 2501 means the 25th week of 2001. The numbers in between are identification codes used for traceability. This information is used to contact customers if a tire defect requires a recall. Tire Replacement Requirements Your vehicle is equipped with tires designed to provide a safe ride and handling capability. WARNING: Only use replacement tires and wheels that are the same size, load index, speed rating and type (such as P-metric versus LT-metric or all-season versus all-terrain) as those originally provided by Ford. The recommended tire and wheel size may be found on either the Safety Compliance Certification Label or the Tire Label which is located on the B-Pillar or edge of the driver’s door. If this information is not found on these labels then you should contact your authorized dealer as soon as possible. Use of any tire or wheel not recommended by Ford can affect the safety and performance of your vehicle, which could result in an increased risk of loss of vehicle control, vehicle rollover, personal injury and death. Additionally the use of non-recommended tires and wheels could cause steering, suspension, axle or transfer case/power transfer unit failure. If you have questions regarding tire replacement, contact your authorized dealer as soon as possible. 227 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading WARNING: When mounting replacement tires and wheels, you should not exceed the maximum pressure indicated on the sidewall of the tire to set the beads without additional precautions listed below. If the beads do not seat at the maximum pressure indicated, re-lubricate and try again. When inflating the tire for mounting pressures up to 20 psi (138 kPa) greater than the maximum pressure on the tire sidewall, the following precautions must be taken to protect the person mounting the tire: 1. Make sure that you have the correct tire and wheel size. 2. Lubricate the tire bead and wheel bead seat area again. 3. Stand at a minimum of 12 ft. (3.66 m) away from the tire wheel assembly. 4. Use both eye and ear protection. For a mounting pressure more than 20 psi (138 kPa) greater than the maximum pressure, a Ford Dealer or other tire service professional should do the mounting. Always inflate steel carcass tires with a remote air fill with the person inflating standing at a minimum of 12 ft. (3.66 m) away from the tire wheel assembly. Important: Remember to replace the wheel valve stems when the road tires are replaced on your vehicle. It is recommended that the two front tires or two rear tires generally be replaced as a pair. The tire pressure sensors mounted in the wheels are not designed to be used in aftermarket wheels. The use of wheels or tires not recommended by Ford Motor Company may affect the operation of your Tire Pressure Monitoring System (if equipped). If the TPMS indicator is flashing, your TPMS is malfunctioning. Your replacement tire might be incompatible with your TPMS, or some component of the TPMS may be damaged (if equipped). Safety practices Driving habits have a great deal to do with your tire mileage and safety. • Observe posted speed limits • Avoid fast starts, stops and turns • Avoid potholes and objects on the road 228 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading • Do not run over curbs or hit the tire against a curb when parking WARNING: If your vehicle is stuck in snow, mud, sand, etc., do not rapidly spin the tires; spinning the tires can tear the tire and cause an explosion. A tire can explode in as little as three to five seconds. WARNING: Do not spin the wheels at over 35 mph (56 km/h). The tires may fail and injure a passenger or bystander. Highway hazards No matter how carefully you drive there’s always the possibility that you may eventually have a flat tire on the highway. Drive slowly to the closest safe area out of traffic. This may further damage the flat tire, but your safety is more important. If you feel a sudden vibration or ride disturbance while driving, or you suspect your tire or vehicle has been damaged, immediately reduce your speed. Drive with caution until you can safely pull off the road. Stop and inspect the tires for damage. If a tire is under-inflated or damaged, deflate it, remove wheel and replace it with your spare tire and wheel. If you cannot detect a cause, have the vehicle towed to the nearest repair facility or tire dealer to have the vehicle inspected. Tire and wheel alignment A bad jolt from hitting a curb or pothole can cause the front end of your vehicle to become misaligned or cause damage to your tires. If your vehicle seems to pull to one side when you’re driving, the wheels may be out of alignment. Have an authorized dealer check the wheel alignment periodically. Wheel misalignment in the front or the rear can cause uneven and rapid treadwear of your tires and should be corrected by an authorized dealer. Front wheel drive (FWD) vehicles and those with an independent rear suspension (if equipped) may require alignment of all four wheels. The tires should also be balanced periodically. An unbalanced tire and wheel assembly may result in irregular tire wear. Tire rotation Rotating your tires at the recommended interval (as indicated in the scheduled maintenance information that comes with your vehicle) will help your tires wear more evenly, providing better tire performance and longer tire life. 229 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading • Rear Wheel Drive (RWD) vehicles/Four Wheel Drive (4WD)/All Wheel Drive (AWD) vehicles (front tires at top of diagram) Sometimes irregular tire wear can be corrected by rotating the tires. Note: If your tires show uneven wear ask an authorized dealer to check for and correct any wheel misalignment, tire imbalance or mechanical problem involved before tire rotation. Note: Your vehicle may be equipped with a dissimilar spare tire/wheel. A dissimilar spare tire/wheel is defined as a spare tire and/or wheel that is different in brand, size or appearance from the road tires and wheels. If you have a dissimilar spare tire/wheel it is intended for temporary use only and should not be used in a tire rotation. Note: After having your tires rotated, inflation pressure must be checked and adjusted to the vehicle requirements. WARNING: If the tire label shows different tire pressures for the front and rear tires and the vehicle is equipped with TPMS (tire pressure monitoring system), then the settings for the TPMS sensors need to be updated. Always perform the TPMS reset procedure after tire rotation. If the system is not reset, it may not provide a low tire pressure warning when necessary. See the TPMS reset procedure in this chapter. 230 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading • DRW – Six tire rotation If your vehicle is equipped with dual rear wheels it is recommended that the front and rear tires (in pairs) be rotated only side to side. We do not recommend splitting up the dual rear wheels. Rotate them side to side as a set/pair. After tire rotation, inflation pressures must be adjusted for the tires new positions in accordance with vehicle requirements. Sometimes irregular tire wear can be corrected by rotating the tires. Note: If your tires show uneven wear ask your authorized dealer to check for and correct any wheel misalignment, tire imbalance or mechanical problem involved before tire rotation. Note: Your vehicle may be equipped with a dissimilar spare tire/wheel. A dissimilar spare tire/wheel is defined as a spare tire and/or wheel that is different in brand, size or appearance from the road tires and wheels. If you have a dissimilar spare tire/wheel it is intended for temporary use only and should not be used in a tire rotation. Note: After having your tires rotated, inflation pressure must be checked and adjusted to the vehicle requirements. INFORMATION CONTAINED ON THE TIRE SIDEWALL Both U.S. and Canada Federal regulations require tire manufacturers to place standardized information on the sidewall of all tires. This information identifies and describes the fundamental characteristics of the tire and also provides a U.S. DOT Tire Identification Number for safety standard certification and in case of a recall. 231 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading Information on “P” type tires P215/65R15 95H is an example of a tire size, load index and speed rating. The definitions of these items are listed below. (Note that the tire size, load index and speed rating for your vehicle may be different from this example.) 1. P: Indicates a tire, designated by the Tire and Rim Association (T&RA), that may be used for service on cars, SUVs, minivans and light trucks. Note: If your tire size does not begin with a letter this may mean it is designated by either ETRTO (European Tire and Rim Technical Organization) or JATMA (Japan Tire Manufacturing Association). 2. 215: Indicates the nominal width of the tire in millimeters from sidewall edge to sidewall edge. In general, the larger the number, the wider the tire. 3. 65: Indicates the aspect ratio which gives the tire’s ratio of height to width. 4. R: Indicates a “radial” type tire. 5. 15: Indicates the wheel or rim diameter in inches. If you change your wheel size, you will have to purchase new tires to match the new wheel diameter. 6. 95: Indicates the tire’s load index. It is an index that relates to how much weight a tire can carry. You may find this information in your Owner’s Guide. If not, contact a local tire dealer. Note: You may not find this information on all tires because it is not required by federal law. 7. H: Indicates the tire’s speed rating. The speed rating denotes the speed at which a tire is designed to be driven for extended periods of time under a standard condition of load and inflation pressure. The tires on your vehicle may operate at different conditions for load and inflation pressure. These speed ratings may need to be adjusted for the difference in conditions. The ratings range from 81 mph (130 km/h) to 186 mph (299 km/h). These ratings are listed in the following chart. 232 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading Note: You may not find this information on all tires because it is not required by federal law. Letter rating Speed rating - mph (km/h) 81 mph (130 km/h) 87 mph (140 km/h) 99 mph (159 km/h) 106 mph (171 km/h) 112 mph (180 km/h) 118 mph (190 km/h) 124 mph (200 km/h) 130 mph (210 km/h) 149 mph (240 km/h) 168 mph (270 km/h) 186 mph (299 km/h) Note: For tires with a maximum speed capability over 149 mph (240 km/h), tire manufacturers sometimes use the letters ZR. For those with a maximum speed capability over 186 mph (299 km/h), tire manufacturers always use the letters ZR. 8. U.S. DOT Tire Identification Number (TIN): This begins with the letters “DOT” and indicates that the tire meets all federal standards. The next two numbers or letters are the plant code designating where it was manufactured, the next two are the tire size code and the last four numbers represent the week and year the tire was built. For example, the numbers 317 mean the 31st week of 1997. After 2000 the numbers go to four digits. For example, 2501 means the 25th week of 2001. The numbers in between are identification codes used for traceability. This information is used to contact customers if a tire defect requires a recall. 9. M+S or M/S: Mud and Snow, or AT: All Terrain, or AS: All Season. 10. Tire Ply Composition and Material Used: Indicates the number of plies or the number of layers of rubber-coated fabric in the tire tread and sidewall. Tire manufacturers also must indicate the ply materials in the tire and the sidewall, which include steel, nylon, polyester, and others. 11. Maximum Load: Indicates the maximum load in kilograms and pounds that can be carried by the tire. Refer to the Safety Compliance Certification Label, which is located on the B-Pillar or the edge of the driver’s door, for the correct tire pressure for your vehicle. 233 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading 12. Treadwear, Traction and Temperature Grades • Treadwear: The treadwear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions on a specified government test course. For example, a tire graded 150 would wear one and one-half (11⁄2) times as well on the government course as a tire graded 100. • Traction: The traction grades, from highest to lowest are AA, A, B, and C. The grades represent the tire’s ability to stop on wet pavement as measured under controlled conditions on specified government test surfaces of asphalt and concrete. A tire marked C may have poor traction performance. • Temperature: The temperature grades are A (the highest), B and C, representing the tire’s resistance to the generation of heat and its ability to dissipate heat when tested under controlled conditions on a specified indoor laboratory test wheel. 13. Maximum Permissible Inflation Pressure: Indicates the tire manufacturers’ maximum permissible pressure and/or the pressure at which the maximum load can be carried by the tire. This pressure is normally higher than the manufacturer’s recommended cold inflation pressure which can be found on the Safety Compliance Certification Label or Tire Label which is located on the B-Pillar or the edge of the driver’s door. The cold inflation pressure should never be set lower than the recommended pressure on the vehicle label. The tire suppliers may have additional markings, notes or warnings such as standard load, radial tubeless, etc. 234 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading Additional information contained on the tire sidewall for “LT” type tires “LT” type tires have some additional information beyond those of “P” type tires; these differences are described below. Note: Tire Quality Grades do not apply to this type of tire. 1. LT: Indicates a tire, designated by the Tire and Rim Association (T&RA), that is intended for service on light trucks. 2. Load Range/Load Inflation Limits: Indicates the tire’s load-carrying capabilities and its inflation limits. 3. Maximum Load Dual lb (kg) at psi (kPa) cold: Indicates the maximum load and tire pressure when the tire is used as a dual; defined as four tires on the rear axle (a total of six or more tires on the vehicle). 4. Maximum Load Single lb (kg) at psi (kPa) cold: Indicates the maximum load and tire pressure when the tire is used as a single; defined as two tires (total) on the rear axle. 235 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading Information on “T” type tires “T” type tires have some additional information beyond those of “P” type tires; these differences are described below: T145/80D16 is an example of a tire size. Note: The temporary tire size for your vehicle may be different from this example. Tire Quality Grades do not apply to this type of tire. 1. T: Indicates a type of tire, designated by the Tire and Rim Association (T&RA), that is intended for temporary service on cars, SUVs, minivans and light trucks. 2. 145: Indicates the nominal width of the tire in millimeters from sidewall edge to sidewall edge. In general, the larger the number, the wider the tire. 3. 80: Indicates the aspect ratio which gives the tire’s ratio of height to width. Numbers of 70 or lower indicate a short sidewall. 4. D: Indicates a “diagonal” type tire. R: Indicates a “radial” type tire. 5. 16: Indicates the wheel or rim diameter in inches. If you change your wheel size, you will have to purchase new tires to match the new wheel diameter. Location of the tire label You will find a Tire Label containing tire inflation pressure by tire size and other important information located on the B-Pillar or the edge of the driver’s door. Refer to the payload description and graphic in the Vehicle loading — with and without a trailer section. 236 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading TIRE PRESSURE MONITORING SYSTEM (TPMS) (IF EQUIPPED) Each tire, including the spare (if provided), should be checked monthly when cold and inflated to the inflation pressure recommended by the vehicle manufacturer on the vehicle placard or tire inflation pressure label. (If your vehicle has tires of a different size than the size indicated on the vehicle placard or tire inflation pressure label, you should determine the proper tire inflation pressure for those tires.) As an added safety feature, your vehicle has been equipped with a tire pressure monitoring system (TPMS) that illuminates a low tire pressure telltale when one or more of your tires is significantly under-inflated. Accordingly, when the low tire pressure telltale illuminates, you should stop and check your tires as soon as possible, and inflate them to the proper pressure. Driving on a significantly under-inflated tire causes the tire to overheat and can lead to tire failure. Under-inflation also reduces fuel efficiency and tire tread life, and may affect the vehicle’s handling and stopping ability. Please note that the TPMS is not a substitute for proper tire maintenance, and it is the driver’s responsibility to maintain correct tire pressure, even if under-inflation has not reached the level to trigger illumination of the TPMS low tire pressure telltale. Your vehicle has also been equipped with a TPMS malfunction indicator to indicate when the system is not operating properly. The TPMS malfunction indicator is combined with the low tire pressure telltale. When the system detects a malfunction, the telltale will flash for approximately one minute and then remain continuously illuminated. This sequence will continue upon subsequent vehicle start-ups as long as the malfunction exists. When the malfunction indicator is illuminated, the system may not be able to detect or signal low tire pressure as intended. TPMS malfunctions may occur for a variety of reasons, including the installation of replacement or alternate tires or wheels on the vehicle that prevent the TPMS from functioning properly. Always check the TPMS malfunction telltale after replacing one or more tires or wheels on your vehicle to ensure that the replacement or alternate tires and wheels allow the TPMS to continue to function properly. The Tire Pressure Monitoring System complies with part 15 of the FCC rules and with RSS-210 of Industry Canada. Operation is subject to the 237 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation. WARNING: The Tire Pressure Monitoring System is NOT a substitute for manually checking tire pressure. The tire pressure should be checked periodically (at least monthly) using a tire gauge, see Inflating your tires in this chapter. Failure to properly maintain your tire pressure could increase the risk of tire failure, loss of control, vehicle rollover and personal injury. Changing tires with TPMS Each road tire is equipped with a tire pressure sensor located inside the tire/wheel cavity. The pressure sensor is attached to the valve stem. The pressure sensor is covered by the tire and is not visible unless the tire is removed. Care must be taken when changing the tire to avoid damaging the sensor. It is recommended that you always have your tires serviced by an authorized dealer. The tire pressure should be checked periodically (at least monthly) using an accurate tire gauge, refer to Inflating your tires in this chapter. Understanding your Tire Pressure Monitoring System (TPMS) The Tire Pressure Monitoring System measures pressure in your four road tires and sends the tire pressure readings to your vehicle. The Low Tire Warning Lamp will turn ON if the tire pressure is significantly low. Once the light is illuminated, your tires are under inflated and need to be inflated to the manufacturer’s recommended tire pressure. Even if the light turns ON and a short time later turns OFF, your tire pressure still needs to be checked. Visit www.checkmytires.org for additional information. When your temporary spare tire is installed When one of your road tires needs to be replaced with the temporary spare, the TPMS system will continue to identify an issue to remind you that the damaged road wheel/tire needs to be repaired and put back on your vehicle. 238 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading To restore the full functionality of the Tire Pressure Monitoring System, have the damaged road wheel/tire repaired and remounted on your vehicle. For additional information, refer to Changing tires with TPMS in this section. When you believe your system is not operating properly The main function of the Tire Pressure Monitoring System is to warn you when your tires need air. It can also warn you in the event the system is no longer capable of functioning as intended. Please refer to the following chart for information concerning your Tire Pressure Monitoring System: Low Tire Pres- sure Warning Light Solid Warning Light Possible cause Tire(s) under- inflated Spare tire in use TPMS mal- function Tire rotation without sen- sor training Customer Action Required 1. Check your tire pressure to ensure tires are properly inflated; refer to Inflating your tires in this chapter. 2. After inflating your tires to the manufacturer’s recommended infla- tion pressure as shown on the Tire Label (located on the edge of driver’s door or the B-Pillar), the vehicle must be driven for at least two min- utes over 20 mph (32 km/h) before the light will turn OFF. Your temporary spare tire is in use. Repair the damaged road wheel/tire and reinstall it on the vehicle to re- store system functionality. For a de- scription on how the system func- tions, refer to When your temporary spare tire is installed in this section. If your tires are properly inflated and your spare tire is not in use and the light remains ON, have the system inspected by your authorized dealer. On vehicles with different front and rear tire pressures, the TPMS system must be retrained following every tire rotation. Refer to Tire rotation in this chapter. 239 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading Low Tire Pres- sure Warning Light Flashing Warning Light Possible cause Spare tire in use TPMS mal- function Customer Action Required Your temporary spare tire is in use. Repair the damaged road wheel and re-mount it on the vehicle to restore system functionality. For a descrip- tion of how the system functions un- der these conditions, refer to When your temporary spare tire is in- stalled in this section. If your tires are properly inflated and your spare tire is not in use and the TPMS warning light still flashes, have the system inspected by your autho- rized dealer. When inflating your tires When putting air into your tires (such as at a gas station or in your garage), the Tire Pressure Monitoring System may not respond immediately to the air added to your tires. It may take up to two minutes of driving over 20 mph (32 km/h) for the light to turn OFF after you have filled your tires to the recommended inflation pressure. How temperature affects your tire pressure The Tire Pressure Monitoring System (TPMS) monitors tire pressure in each pneumatic tire. While driving in a normal manner, a typical passenger tire inflation pressure may increase approximately 2 to 4 psi (14 to 28 kPa) from a cold start situation. If the vehicle is stationary over night with the outside temperature significantly lower than the daytime temperature, the tire pressure may decrease approximately 3 psi (20.7 kPa) for a drop of 30°F (16.6°C) in ambient temperature. This lower pressure value may be detected by the TPMS as being significantly lower than the recommended inflation pressure and activate the TPMS warning for low tire pressure. If the low tire pressure warning light is ON, visually check each tire to verify that no tire is flat. (If one or more tires are flat, repair as necessary.) Check air pressure in the road tires. If any tire is under-inflated, carefully drive the vehicle to the nearest location where air can be added to the tires. Inflate all the tires to the recommended inflation pressure. 240 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading TPMS reset procedure The TPMS reset procedure needs to be performed after each tire rotation on vehicles that require different recommended tire pressures in the front tires as compared to the rear tires. WARNING: To determine the required pressure(s) for your vehicle – refer to the Safety Compliance Certification Label or Tire Label located on the B-Pillar or the edge of the driver’s door. See Vehicle loading in this chapter for more information. Overview To provide the vehicle’s load carrying capability, some vehicles require different recommended tire pressures in the front tires as compared to the rear tires. The Tire Pressure Monitoring System (TPMS) equipped on these vehicles is designed to illuminate the Low Tire Pressure Warning indicator at two different pressures; one for the front tires and one for the rear tires. Since tires need to be rotated to provide consistent performance and maximum tire life, the Tire Pressure Monitoring System needs to know when the tires are rotated to determine which set of tires are on the front and which are on the rear. With this information, the system can detect and properly warn of low tire pressures. TPMS reset tips: • To reduce the chances of interference from another vehicle, the TPMS reset procedure should be performed at least 3 feet (1 meter) away from another Ford Motor Company vehicle undergoing the TPMS reset procedure at the same time. • Do not wait more than two (2) minutes between resetting each tire sensor or the system will timeout and the entire procedure will have to be repeated on all four wheels. • A double horn chirp indicates the need to repeat the procedure. Performing the TPMS reset procedure It is recommended that you read the entire procedure before attempting. 1. Drive the vehicle above 20 mph (32 km/h) for at least 2 minutes and then park in a safe location where you can easily get to all four tires and have access to an air pump. 2. Place the ignition in the off position and keep the key in the ignition. 241 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading 3. Cycle the ignition to the on position with the engine off. 4. Turn the hazard flashers on then off 3 times. This must be accomplished within ten seconds. does not flash and the message center (if will flash and the message center (if If the reset mode has been entered successfully, the horn will sound once, the TPMS indicator equipped) will display TRAIN LEFT FRONT TIRE. If this does not occur, please try again starting at Step 2. If after repeated attempts to enter the reset mode, the horn does not sound, the TPMS indicator equipped) does not display TRAIN LEFT FRONT TIRE, seek service from your authorized dealer. 5. Train the TPMS sensors in the tires using the following TPMS reset sequence starting with the left front tire in the following clockwise order: • Left front (Driver’s side front tire) • Right front (Passenger’s side front tire) • Right rear (Passenger’s side rear tire) • Left rear (Driver’s side rear tire) 6. Remove the valve cap from the valve stem on the left front tire. Decrease the air pressure until the horn sounds. Note: The single horn chirp confirms that the sensor identification code has been learned by the module for this position. If a double horn is heard, the reset procedure was unsuccessful, and must be repeated. 7. Remove the valve cap from the valve stem on the right front tire. Decrease the air pressure until the horn sounds. 242 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading 8. Remove the valve cap from the valve stem on the right rear tire. Decrease the air pressure until the horn sounds. 9. Remove the valve cap from the valve stem on the left rear tire. Decrease the air pressure until the horn sounds. Training is complete after the horn sounds for the last tire trained (driver’s side rear tire), the TPMS tell tale stops flashing, and the message center (if equipped) displays: TRAINING COMPLETE. 10. Turn the ignition off. If two short horn beeps are heard, the reset procedure was unsuccessful and must be repeated. If after repeating the procedure and two short beeps are heard when the ignition is turned to off, seek assistance from your authorized dealer. 11. Set all four tires to the recommended air pressure as indicated on the Safety Compliance Certification Label or Tire Label located on the B-Pillar or the edge of the driver’s door. See Vehicle loading - with and without a trailer in this chapter for more information. SNOW TIRES AND CHAINS WARNING: Snow tires must be the same size, load index, speed rating as those originally provided by Ford. Use of any tire or wheel not recommended by Ford can affect the safety and performance of your vehicle, which could result in an increased risk of loss of vehicle control, vehicle rollover, personal injury and death. Additionally, the use of non-recommended tires and wheels could cause steering, suspension, axle or transfer case/power transfer unit failure. Note: Do not use snow chains on vehicles with 20 inch wheels and tires. The tires on your vehicle have all weather treads to provide traction in rain and snow. However, in some climates, you may need to use snow tires and chains. If you need to use chains, it is recommended that steel wheels (of the same size and specifications) be used, as chains may chip aluminum wheels. 243 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading Follow these guidelines when using snow tires and chains: • Use only SAE Class S chains. • Install chains securely, verifying that the chains do not touch any • Drive cautiously. If you hear the chains rub or bang against your wiring, brake lines or fuel lines. vehicle, stop and re-tighten the chains. If this does not work, remove the chains to prevent damage to your vehicle. • If possible, avoid fully loading your vehicle. • Remove the tire chains when they are no longer needed. Do not use • The suspension insulation and bumpers will help prevent vehicle damage. Do not remove these components from your vehicle when using snow tires and chains. tire chains on dry roads. VEHICLE LOADING – WITH AND WITHOUT A TRAILER This section will guide you in the proper loading of your vehicle and/or trailer, to keep your loaded vehicle weight within its design rating capability, with or without a trailer. Properly loading your vehicle will provide maximum return of vehicle design performance. Before loading your vehicle, familiarize yourself with the following terms for determining your vehicle’s weight ratings, with or without a trailer, from the vehicle’s Tire Label or Safety Compliance Certification Label: Base Curb Weight – is the weight of the vehicle including a full tank of fuel and all standard equipment. It does not include passengers, cargo, or optional equipment. Vehicle Curb Weight – is the weight of your new vehicle when you picked it up from your authorized dealer plus any aftermarket equipment. 244 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading Payload – is the combined weight of cargo and passengers that the vehicle is carrying. The maximum payload for your vehicle can be found on the Tire Label on the B-Pillar or the edge of the driver’s door (vehicles exported outside the US and Canada may not have a Tire Label). Look for “THE COMBINED WEIGHT OF OCCUPANTS AND CARGO SHOULD NEVER EXCEED XXX kg OR XXX lb.” for maximum payload. The payload listed on the Tire Label is the maximum payload for the vehicle as built by the assembly plant. If any aftermarket or authorized-dealer installed equipment has been installed on the vehicle, the weight of the equipment must be subtracted from the payload listed on the Tire Label in order to determine the new payload. WARNING: The appropriate loading capacity of your vehicle can be limited either by volume capacity (how much space is available) or by payload capacity (how much weight the vehicle should carry). Once you have reached the maximum payload of your vehicle, do not add more cargo, even if there is space available. Overloading or improperly loading your vehicle can contribute to loss of vehicle control and vehicle rollover. 245 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading Example only: Cargo Weight – includes all weight added to the Base Curb Weight, including cargo and optional equipment. When towing, trailer tongue load or king pin weight is also part of cargo weight. GAW (Gross Axle Weight) – is the total weight placed on each axle (front and rear) – including vehicle curb weight and all payload. 246 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading GAWR (Gross Axle Weight Rating) – is the maximum allowable weight that can be carried by a single axle (front or rear). These numbers are shown on the Safety Compliance Certification Label located on the B-Pillar or the edge of the driver’s door. The total load on each axle must never exceed its GAWR. Note: For trailer towing information refer to Trailer towing found in this chapter or the RV and Trailer Towing Guide provided by your authorized dealer. GVW (Gross Vehicle Weight) – is the Vehicle Curb Weight + cargo + passengers. GVWR (Gross Vehicle Weight Rating) – is the maximum allowable weight of the fully loaded vehicle (including all options, equipment, passengers and cargo). The GVWR is shown on the Safety Compliance Certification Label located on the B-Pillar or the edge of the driver’s door. The GVW must never exceed the GVWR. 247 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading • Example only: WARNING: Exceeding the Safety Compliance Certification Label vehicle weight rating limits could result in substandard vehicle handling or performance, engine, transmission and/or structural damage, serious damage to the vehicle, loss of control and personal injury. 248 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading GCW (Gross Combined Weight) – is the weight of the loaded vehicle (GVW) plus the weight of the fully loaded trailer. GCWR (Gross Combined Weight Rating) – is the maximum allowable weight of the vehicle and the loaded trailer – including all cargo and passengers – that the vehicle can handle without risking damage. (Important: The towing vehicle’s braking system is rated for operation at GVWR, not at GCWR.) Separate functional brakes should be used for safe control of towed vehicles and for trailers where the GCW of the towing vehicle plus the trailer exceed the GVWR of the towing vehicle. The GCW must never exceed the GCWR. Maximum Loaded Trailer Weight – is the highest possible weight of a fully loaded trailer the vehicle can tow. It assumes a vehicle with only mandatory options, no cargo (internal or external), a tongue load of 10–15% (conventional trailer) or king pin weight of 15–25% (fifth wheel trailer), and driver only (150 lb. [68 kg]). Consult your authorized dealer (or the RV and Trailer Towing Guide provided by your authorized dealer) for more detailed information. Tongue Load or Fifth Wheel King Pin Weight – refers to the amount of the weight that a trailer pushes down on a trailer hitch. Examples: For a 5,000 lb. (2,268 kg) conventional trailer, multiply 5,000 by 0.10 and 0.15 to obtain a proper tongue load range of 500 to 750 lb. (227 to 340 kg). For an 11,500 lb. (5,216 kg) fifth wheel trailer, multiply by 0.15 and 0.25 to obtain a proper king pin load range of 1,725 to 2,875 lb. (782 to 1,304 kg) WARNING: Do not exceed the GVWR or the GAWR specified on the Safety Compliance Certification Label. WARNING: Do not use replacement tires with lower load carrying capacities than the original tires because they may lower the vehicle’s GVWR and GAWR limitations. Replacement tires with a higher limit than the original tires do not increase the GVWR and GAWR limitations. 249 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading WARNING: Exceeding any vehicle weight rating limitation could result in serious damage to the vehicle and/or personal injury. Steps for determining the correct load limit: 1. Locate the statement “The combined weight of occupants and cargo should never exceed XXX kg or XXX lb.” on your vehicle’s placard. 2. Determine the combined weight of the driver and passengers that will be riding in your vehicle. 3. Subtract the combined weight of the driver and passengers from XXX kg or XXX lb. 4. The resulting figure equals the available amount of cargo and luggage load capacity. For example, if the “XXX” amount equals 1,400 lb. and there will be five 150 lb. passengers in your vehicle, the amount of available cargo and luggage load capacity is 650 lb. (1400-750 (5 x 150) = 650 lb.). In metric units (635-340 (5 x 68) = 295 kg.) 5. Determine the combined weight of luggage and cargo being loaded on the vehicle. That weight may not safely exceed the available cargo and luggage load capacity calculated in Step 4. 6. If your vehicle will be towing a trailer, load from your trailer will be transferred to your vehicle. Consult this manual to determine how this reduces the available cargo and luggage load capacity of your vehicle. The following gives you a few examples on how to calculate the available amount of cargo and luggage load capacity: • Another example for your vehicle with 1,400 lb. (635 kg) of cargo and luggage capacity. You decide to go golfing. Is there enough load capacity to carry you, 4 of your friends and all the golf bags? You and four friends average 220 lb. (99 kg) each and the golf bags weigh approximately 30 lb. (13.5 kg) each. The calculation would be: 1400 - (5 x 220) - (5 x 30) = 1400 - 1100 - 150 = 150 lb. Yes, you have enough load capacity in your vehicle to transport four friends and your golf bags. In metric units, the calculation would be: 635 kg - (5 x 99 kg) - (5 x 13.5 kg) = 635 - 495 - 67.5 = 72.5 kg. • A final example for your vehicle with 1,400 lb. (635 kg) of cargo and luggage capacity. You and one of your friends decide to pick up cement from the local home improvement store to finish that patio you have been planning for the past 2 years. Measuring the inside of the vehicle with the rear seat folded down, you have room for 12-100 lb. (45 kg) bags of cement. Do you have enough load capacity 250 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading to transport the cement to your home? If you and your friend each weigh 220 lb. (99 kg), the calculation would be: 1400 - (2 x 220) - (12 x 100) = 1400 - 440 - 1200 = - 240 lb. No, you do not have enough cargo capacity to carry that much weight. In metric units, the calculation would be: 635 kg - (2 x 99 kg) - (12 x 45 kg) = 635 - 198 - 540 = -103 kg. You will need to reduce the load weight by at least 240 lb. (104 kg). If you remove 3-100 lb. (45 kg) cement bags, then the load calculation would be: 1400 - (2 x 220) - (9 x 100) = 1400 - 440 - 900 = 60 lb. Now you have the load capacity to transport the cement and your friend home. In metric units, the calculation would be: 635 kg - (2 x 99 kg) - (9 x 45 kg) = 635 - 198 - 405 = 32 kg. The above calculations also assume that the loads are positioned in your vehicle in a manner that does not overload the Front or the Rear Gross Axle Weight Rating specified for your vehicle on the Safety Compliance Certification Label found on the edge of the driver’s door. Special loading instructions for owners of pickup trucks and utility-type vehicles WARNING: For important information regarding safe operation of this type of vehicle, see the Preparing to drive your vehicle section in the Driving chapter of this Owner’s Guide. WARNING: Loaded vehicles may handle differently than unloaded vehicles. Extra precautions, such as slower speeds and increased stopping distance, should be taken when driving a heavily loaded vehicle. Your vehicle can haul more cargo and people than most passenger cars. Depending upon the type and placement of the load, hauling cargo and people may raise the center of gravity of the vehicle. TRAILER TOWING Note: The trailer towing charts in this section apply to vehicles equipped with gasoline engines; for vehicles equipped with diesel engines, refer to your Power Stroke Direct Injection Turbo Diesel Owner’s Guide Supplement. Your vehicle may tow a Conventional/Class IV trailer or fifth wheel trailer provided the maximum trailer weight is less than or equal to the maximum trailer weight listed for your engine and rear axle ratio on the following charts. 251 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading To calculate your maximum trailer weight: For pickup trucks: Take curb weight, hitch hardware and the driver’s weight, then subtract them from the GCWR listed for your vehicle series, engine, transmission and drive axle ratio (refer to the chart/table in the following text). This calculation will give you the maximum trailer weight possible for your vehicle. For chassis cabs and pickup trucks with aftermarket equipment: Weigh your vehicle at a certified scale and subtract this actual curb weight, hitch hardware, and the driver’s weight from the GCWR listed for your vehicle series, engine, transmission and drive axle ratio (refer to the chart/table in the following text). This calculation will give you the maximum trailer weight possible for your vehicle. The weight of all additional cargo and passengers must be subtracted from the maximum trailer weight calculated above. Further trailer/hitch restrictions and limitations exist depending on the type of trailer and hitch used. These additional maximum trailer weight and tongue load limitations are listed in the chart/table that follows the listing of GCWRs. Towing a trailer places an additional load on your vehicle’s engine, transmission, axle, brakes, tires and suspension. Inspect these components carefully prior to and after any towing operation. Refer to Transmission fluid temperature gauge in the Instrument Cluster chapter for the transmission fluid temperature information. Note: Do not exceed the GCWR listed for your vehicle on the following chart/table, or the GVWR, GAWR or tire ratings specified on the Tire Label or Safety Compliance Certification Label. WARNING: Towing trailers beyond the maximum recommended trailer weight which exceeds the limit of the vehicle’s GCWR, GVWR, GAWR or tire ratings could result in engine damage, transmission damage, structural damage, loss of vehicle control, vehicle rollover and personal injury. 252 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading Maximum GCWR - lb. (kg.) Engine Rear axle ratio Manual transmission Automatic transmission F–250 Pick-up 3.73 4.10 4.10 4.30 15000 (6804) 17000 (7711) 20000 (9072) 22000 (9979) 16000 (7257) 18000 (8165) 21000 (9525) 22500 (10206) F–350 Single Rear Wheel (SRW) Pick-up 3.73 4.10 4.10 4.30 15000 (6804) 17000 (7711) 20000 (9072) 22000 (9979) 16000 (7257) 18000 (8165) 21000 (9525) 23000 (10433) F–350 Dual Rear Wheel (DRW) Pick-up 4.10 4.10 — — 18500 (8391) 23000 (10433) F–350 Single Rear Wheel (SRW) Chassis Cab 3.73 4.10 4.10 — — — 16000 (7257) 18000 (8165) 21000 (9525) F–350 Dual Rear Wheel (DRW) Chassis Cab 3.73 4.10 4.10 4.30 15000 (6804) 17500 (7938) 20500 (9299) 22500 (10206) F–450 Chassis Cab/F–550 26000 (11793) 4.88/5.38 16500 (7484) 18500 (8391) 21500 (9752) 23000 (10433) 26000 (11793) 5.4L 6.8L 5.4L 6.8L 5.4L 6.8L 5.4L 6.8L 5.4L 6.8L 6.8L Preparing to tow Use the proper equipment for towing a trailer and make sure it is properly attached to your vehicle. Contact your authorized dealer or a reliable trailer dealer as soon as possible if you require assistance. 253 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading Hitches WARNING: ON PICK-UP TRUCKS, the trailer hitch provided on this vehicle enhances collision protection for the fuel system. DO NOT REMOVE! Do not mount a ball hitch (sometimes referred to as a trailer ball hitch or trailer ball) to the bumper or use hitches that clamp onto the vehicle’s bumper or attach to the axle. You must distribute the load in your trailer so that 10–15% for conventional towing or 15-25% fifth-wheel towing of the total weight of the trailer is on the tongue. Hitch rating The standard hitch has two ratings depending on mode of operation: • Weight carrying - requires a draw bar and hitch ball. The draw bar • Weight distributing - requires an aftermarket weight distributing system which includes draw bar, hitch ball, spring bars and snap-up brackets. The vertical tongue load of the trailer is distributed between the truck and the trailer by this system. supports all the vertical tongue load of the trailer. Hitch Type Maximum Gross Trailer Weight — lb. (kg) Maximum Tongue Weight — lb. (kg) 6.8L DRW Pickup 2.5” ID without adapter (requires 2.5” drawbar) 6.8L DRW Pickup 2.5” ID with adapter (requires 2” drawbar) All SRW Pickups and 5.4L DRW Pickups 2” receiver 254 Weight carrying 8000 (3629) 800 (363) Weight distributing 15000 (6804) 1500 (680) Weight carrying 6000 (2721) 600 (272) Weight distributing Weight carrying Weight distributing 12500 (5670) 1250 (567) 6000 (2721) 12500 (5670) 600 (272) 1250 (567) 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading WARNING: Towing trailers beyond the maximum tongue weight exceeds the limit of the towing system and could result in vehicle structural damage, loss of vehicle control and personal injury. Weight-distributing hitch When hooking-up a trailer using a load-equalizing hitch, always use the following procedure: 1. Park the unloaded vehicle on a level surface. With the ignition on and all doors closed, allow the vehicle to stand for several minutes so that it can level. 2. Measure the height of a reference point on the front and rear bumpers at the center of the vehicle. 3. Attach the trailer to the vehicle and adjust the hitch equalizers so that the front bumper height is within 1⁄2” (13 mm) of the reference point. After proper adjustment, the rear bumper should be no higher than in Step 2. WARNING: Do not adjust a weight-distributing hitch to any position where the rear bumper of the vehicle is higher than it was before attaching the trailer. Doing so will defeat the function of the weight-distributing hitch, which may cause unpredictable handling, and could result in serious personal injury. Safety chains Always connect the trailer’s safety chains to the frame or hook retainers of the vehicle hitch. To connect the trailer’s safety chains, cross the chains under the trailer tongue and allow slack for turning corners. If you use a rental trailer, follow the instructions that the rental agency gives to you. Do not attach safety chains to the bumper. Trailer brakes Electric brakes and manual, automatic or surge-type trailer brakes are safe if installed properly and adjusted to the manufacturer’s specifications. The trailer brakes must meet local and Federal regulations. 255 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading WARNING: If you own a trailer with a hydraulic brake system, do not connect the trailer’s hydraulic brake system directly to your vehicle’s brake system. The vehicle’s brake system is only designed to carry the appropriate amount of brake fluid for the vehicle alone. Connecting a hydraulic trailer braking system could adversely affect your vehicle’s braking performance. The braking system of the tow vehicle is rated for operation at the GVWR not GCWR. Integrated trailer brake controller (if equipped) Your vehicle may be equipped with a fully integrated electronic trailer brake controller (TBC). When used properly, the TBC helps ensure smooth and effective trailer braking by powering the trailer’s electric brakes with a proportional output based on the towing vehicle’s brake pressure. WARNING: The Ford TBC has only been verified to be compatible with trailers having electric-actuated drum brakes (one to four axles) and not hydraulic surge or electric-over-hydraulic types. It is the responsibility of the customer to ensure that the trailer brakes are adjusted appropriately, functioning normally and all electric connections are properly made. The TBC user interface consists of the following: 1. +/- (GAIN adjustment buttons): Pressing these buttons will adjust the TBC’s power output to the trailer brakes (in 0.5 increments). The GAIN setting can be increased to a maximum of 10.0 or decreased to a minimum of 0 (no trailer braking). Pressing and holding a button will raise or lower the setting continuously. The gain setting will display in the message center as follows: TBC GAIN = XX.X. The trailer brake controller (TBC) is designed to display three items of information in the instrument cluster message center. These are: gain setting, output bar graph, and trailer connectivity status. They will appear as follows in the message center. • TBC GAIN = XX.X NO TRAILER: The instrument cluster message center will display the current gain setting during a given ignition 256 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading cycle and when adjusting the gain. This message is also displayed during manual activation without a trailer connected or when gain adjustments are made with no trailer connected. • TBC GAIN = XX.X OUTPUT = //////: When the vehicle’s brake pedal is pushed, or when the manual control is activated, bar indicators will illuminate in the instrument cluster message center to indicate the amount of power going to the trailer brakes relative to the brake pedal or manual control input. One bar indicates the least amount of output with six bars indicating maximum output. • TRAILER CONNECTED: This message is displayed when a correct trailer wiring connection (a trailer with electric trailer brakes) has been sensed during a given ignition cycle. • TRAILER DISCONNECTED: This message is displayed and accompanied by a single chime, when a trailer connection was determined and then a disconnection, either intentionally or unintentionally, has been sensed during a given ignition cycle. It is also displayed if a truck or trailer wiring fault occurs causing the trailer to appear disconnected. This message is also displayed during manual activation without a trailer connected. 2. Manual control lever: Slide the control lever to the left to activate power to the trailer’s electric brakes independent of the tow vehicle’s brakes (see the following Procedure for adjusting GAIN section for instructions on proper use of this feature). If the manual control is activated while the brake is also applied, the greater of the two inputs determines the power sent to the trailer brakes. • Stop Lamps: Activating the TBC manual control lever will illuminate both the trailer brake lamps and the tow vehicle brake lamps except the center high-mount stop lamp (presuming proper trailer electrical connection). Pressing the vehicle brake pedal will also illuminate both trailer and vehicle brake lamps. Procedure for adjusting GAIN: The GAIN setting is used to set the TBC for the specific towing condition and should be changed as towing conditions change. Changes to towing conditions include trailer load, vehicle load, road conditions and weather. The GAIN should be set to provide the maximum trailer braking assistance while ensuring the trailer wheels do not lock when braking. Locked trailer wheels may lead to trailer instability. Note: This should only be performed in a traffic free environment at speeds of approximately 20–25 mph (30–40 km/h). 257 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading 1. Make sure the trailer brakes are in good working condition, functioning normally, and properly adjusted. See your trailer dealer if necessary. 2. Hook up the trailer and make the electrical connections according to the trailer manufacturer’s instructions. 3. When a trailer with electric brakes is plugged in, the TRAILER CONNECTED message will display in the instrument cluster message center. 4. Use the GAIN adjustment (+/-) buttons to increase or decrease the GAIN setting to the desired starting point. A GAIN setting of 6.0 is a good starting point for heavier loads. 5. In a traffic-free environment, tow the trailer on a dry, level surface at a speed of 20–25 mph (30–40 km/h) and squeeze the manual control lever completely. 6. If the trailer wheels lock-up (indicated by squealing tires), reduce the GAIN setting; if the trailer wheels turn freely, increase the GAIN setting. Repeat Steps 5 and 6 until the GAIN setting is at a point just below trailer wheel lock-up. If towing a heavier trailer, trailer wheel lockup may not be attainable even with the maximum GAIN setting of 10. Explanation of instrument cluster warning messages: The TBC interacts with the instrument cluster message center to display the following messages: TRAILER BRAKE MODULE FAULT: This message is displayed and accompanied by a single chime, in response to faults sensed by the TBC. In the event this message is seen, please contact your authorized dealer as soon as possible for diagnosis and repair. The TBC may still function, but performance may be degraded. WIRING FAULT ON TRAILER: This message is displayed when a Short circuit on the electric brake output wire has occurred. If the WIRING FAULT ON TRAILER message is displayed and accompanied by a single chime, with no trailer connected, the problem is with the vehicle wiring from the TBC to the 7–pin connector in the bumper. If the message is only displayed with a trailer connected, the problem is related to the trailer wiring; consult your trailer dealer for assistance. This can be a short to ground (i.e., chaffed wire) or a short to voltage (i.e., pulled pin on trailer emergency break-away battery) or trailer brakes drawing too much current. Note: Your TBC can be diagnosed by your authorized dealer to determine exactly which trailer fault has occurred; however, if the fault is with the trailer this diagnosis is not covered under your Ford warranty. 258 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading Points to Remember: • Remember to adjust gain setting before using the TBC for the first • Readjust GAIN setting on the TBC (according to procedure above) time. whenever road, weather and trailer or vehicle loading conditions change from those that existed when the gain was initially set. • The sliding lever on the TBC should be used only for manual activation of trailer brakes to assist with proper adjustment of the GAIN. Misuse, such as application during trailer sway, could cause instability of trailer and/or tow vehicle. • Avoid towing in adverse weather conditions. The TBC does not provide anti-lock control of the trailer wheels. Trailer wheels can lock-up on slippery surfaces, resulting in reduced stability of trailer and tow vehicle. • The TBC interacts with the brake system of the vehicle, including ABS, in order to reduce the likelihood of trailer wheel lockup. Therefore, if these systems are not functioning properly the TBC may not function at full performance. • When the vehicle is turned off, the TBC Output is disabled and the display is shut down. Reactivation of the ignition from OFF to ON will awaken the TBC module. • The TBC is only a factory or dealer installed item. Ford is not responsible for warranty or performance of the TBC due to misuse or customer installation. • Do not attempt removal of the TBC without consulting the Workshop Manual. Damage to the unit may result. Trailer lamps Trailer lamps are required on most towed vehicles. Make sure all running lights, brake lights, turn signals and hazard lights are working. Contact your authorized dealer or trailer rental agency for proper instructions and equipment for hooking-up trailer lamps. Driving while you tow When towing a trailer: • Do not drive faster than 70 mph (113 km/h) during the first 500 miles • Consult your local motor vehicle speed regulations for towing a trailer. 259 (800 km) of trailer towing and don’t make full-throttle starts. 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading • Turn off the speed control. The speed control may shut off automatically when you are towing on long, steep grades. • To eliminate excessive transmission shifting, activate the Tow/Haul feature. This will also assist in transmission cooling. For additional information, refer to Automatic transmission operation in the Driving chapter. • Anticipate stops and brake gradually. • Do not exceed the GCWR rating or transmission damage may occur. • Your vehicle may be equipped with a temporary or conventional spare tire. If the spare tire is different in size (diameter and/or width), tread type (All-Season or All-Terrain) or is from a different manufacturer other than the road tires on your vehicle, your spare tire is considered “temporary”. Consult information on the spare Tire Label or Safety Compliance Certification Label for limitations when using. Servicing after towing If you tow a trailer for long distances, your vehicle will require more frequent service intervals. Refer to your scheduled maintenance information for more information. are securely fastened. Trailer towing safety tips General • Ensure that the trailer, safety chains and 7–pin electrical connectors • Make sure the truck receiver, draw bar, and coupler are properly • Check rear view and side mirrors for proper visibility especially when • When turning make wide turns to allow trailer tires to properly clear • When towing, operate the vehicle at lower speeds than you would towing trailer wider than the truck. connected and adjusted. any obstacles. when not towing a trailer. The likelihood of trailer sway is greater at higher speeds. • Be prepared for trailer sway due to buffeting when larger vehicles • If you will be towing a trailer frequently in hot weather, hilly pass in either direction. conditions, at GCWR, or any combination of these factors, consider refilling your rear axle with synthetic gear lubricant if not already so 260 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading equipped. Refer to Maintenance product specifications and capacities in the Maintenance and Specifications chapter for the proper axle lubricant. Remember that regardless of the rear axle lubricant used, do not tow a trailer for the first 500 miles (800 km) of a new vehicle, and that the first 500 miles (800 km) of towing be done at no faster than 70 mph (113 km/h) with no full-throttle starts. right. Loading • Trailer loads should be evenly distributed front to back and left to • The load distribution within the trailer should be such that 10–15% of the trailer weight is on the hitch (15–25% for fifth-wheel or gooseneck towing). loading recommendations. • Never exceed truck, trailer, receiver, ball, tongue, tire or coupler • Keep the center-of-gravity low for best handling. Braking • Anticipate the need to stop; allow much more distance and time to • Do not apply the trailer brakes for extended periods of time as they • The trailer brakes must be inspected and serviced at intervals can overheat and lose effectiveness. stop than normal. specified by the manufacturer. This includes the shoes, drum and trailer brake magnets. • Electric brakes also require periodic adjustment to keep the shoes properly spaced. If the brakes get hot when driving or if they will not hold, chances are that they need adjustment. Backing-up • Practice backing-up, particularly if you are a novice. Turn the steering • Sharp steering movements may cause the trailer to jackknife or go out wheel to the right to move the trailer’s rear end to the right. of control. Tires • Select tires that meet the trailer loading requirements. • All trailer tires should be of the same size, and construction. • Always check tow vehicle and trailer tire pressure before towing. 261 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading Launching or retrieving a boat Disconnect the wiring to the trailer before backing the trailer into the water. Reconnect the wiring to the trailer after the trailer is removed from the water. When backing down a ramp during boat launching or retrieval: • do not allow the static water level to rise above the bottom edge of • do not allow waves to break higher than 6 inches (15 cm) above the the rear bumper. bottom edge of the rear bumper. Exceeding these limits may allow water to enter vehicle components: • causing internal damage to the components. • affecting driveability, emissions and reliability. Replace the rear axle lubricant any time the axle has been submerged in water. Rear axle lubricant quantities are not to be checked or changed unless a leak is suspected or repair required. RECREATIONAL TOWING Follow these guidelines if you have a need for recreational (RV) towing. An example of recreational towing would be towing your vehicle behind a motorhome. These guidelines are designed to ensure that your transmission is not damaged. Note: Put your climate control system in recirculated air mode to prevent exhaust fumes from entering the vehicle. Refer to the Climate Controls chapter for more information. 262 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Tires, Wheels and Loading Drivetrain configuration 4x4 with manual-shift transfer case 4X2 or 4x4 with electronic-shift transfer case Transmission Manual Automatic Manual Automatic Requirements for neutral towing Transmission in (N) Neutral; Transfer case in (N) (Neutral); Hublocks set to FREE1 Do not tow your vehicle with any wheels on the ground, as vehicle or transmission damage may occur. It is recommended to tow your vehicle with all four (4) wheels off the ground such as when using a car-hauling trailer. Otherwise, no recreational towing is permitted. 1Always make sure that both hub locks are set to the same position. In case of a roadside emergency with a disabled vehicle, see Wrecker towing in the Roadside Emergencies chapter. 263 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Driving STARTING Positions of the ignition 1. Off— shuts off the engine and all accessories/locks the steering wheel and allows key removal. 2. Accessory— allows the electrical accessories such as the radio to operate while the engine is not running. This position also unlocks the steering wheel. 3. On— all electrical circuits operational. Warning lights illuminated. Key position when driving. 4. Start— cranks the engine. Release the key as soon as the engine starts. Preparing to start your vehicle Engine starting is controlled by the powertrain control system. This system meets all Canadian interference-causing equipment standard requirements regulating the impulse electrical field strength of radio noise. When starting a fuel-injected engine, don’t press the accelerator before or during starting. Only use the accelerator when you have difficulty starting the engine. For more information on starting the vehicle, refer to Starting the engine in this chapter. WARNING: Extended idling at high engine speeds can produce very high temperatures in the engine and exhaust system, creating the risk of fire or other damage. WARNING: Do not park, idle, or drive your vehicle in dry grass or other dry ground cover. The emission system heats up the engine compartment and exhaust system, which can start a fire. WARNING: Do not start your vehicle in a closed garage or in other enclosed areas. Exhaust fumes can be toxic. Always open the garage door before you start the engine. See Guarding against exhaust fumes in this chapter for more instructions. 264 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Driving WARNING: If you smell exhaust fumes inside your vehicle, have your dealer inspect your vehicle immediately. Do not drive if you smell exhaust fumes. Important safety precautions When the engine starts, the idle RPM runs faster to warm the engine. If the engine idle speed does not slow down automatically, have the vehicle checked. If your vehicle is operated in a heavy snow storm or blowing snow conditions, the engine air induction may become partially clogged with snow and/or ice. If this occurs, the engine may experience a significant reduction in power output. At the earliest opportunity, clear all the snow and/or ice away from the air induction inlet. The following starting instructions are for vehicles equipped with a gasoline engine; if your vehicle is equipped with a Diesel engine, refer to Starting the engine in your 6.0 and 6.4 Liter Power Stroke Direct Injection Turbo Diesel Owner’s Guide Supplement. Before starting the vehicle: 1. Make sure all occupants buckle their safety belts. For more information on safety belts and their proper usage, refer to the Seating and Safety Restraints chapter. 2. Make sure the headlamps and electrical accessories are off. If starting a vehicle with an automatic transmission: 1. Make sure the parking brake is set. 2. Make sure the gearshift is in P (Park). 265 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Driving If starting a vehicle with a manual transmission: 1. Make sure the parking brake is set. 2. Push the clutch pedal to the floor. • Turn the key to 3 (on) without turning the key to 4 (start). Some warning lights will briefly illuminate. See Warning lights and chimes in the Instrument Cluster chapter for more information regarding the warning lights. Starting the engine 1. Turn the key to 3 (on) without turning the key to 4 (start). If there is difficulty in turning the key, rotate the steering wheel until the key turns freely. This condition may occur when: • the front wheels are turned. • a front wheel is against the curb. 2. Turn the key to 4 (start), then release the key as soon as the engine begins cranking. Your vehicle has a computer assisted cranking system that assists in starting the engine. After releasing the key from the 4 (start) position, the engine may continue cranking for up to 10 seconds or until the vehicle starts. 266 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Driving Note: Cranking may be stopped at any time by turning the key to the off position. 3. After idling for a few seconds, release the parking brake, apply the brake, shift into gear and drive. Note: If the engine does not start on the first try, turn the key to the off position, wait 10 seconds and try Step 2 again. If the engine still fails to start, press the accelerator to the floor and try Step 2 again, keeping the accelerator on the floor until the engine begins to accelerate above cranking speeds; this will allow the engine to crank with the fuel shut off in case the engine is flooded with fuel. Guarding against exhaust fumes Carbon monoxide is present in exhaust fumes. Take precautions to avoid its dangerous effects. WARNING: If you smell exhaust fumes inside your vehicle, have your dealer inspect your vehicle immediately. Do not drive if you smell exhaust fumes. Important ventilating information If the engine is idling while the vehicle is stopped for a long period of time, open the windows at least 1 inch (2.5 cm) or adjust the heating or air conditioning to bring in fresh air. ENGINE BLOCK HEATER An engine block heater warms the engine coolant which aids in starting and allows the heater/defroster system to respond quickly. If your vehicle is equipped with this system, your equipment includes a heater element which is installed in your engine block and a wire harness which allows the user to connect the system to a grounded 120 volt A/C electrical source. The block heater system is most effective when outdoor temperatures reach below 0°F (-18°C). WARNING: Failure to follow engine block heater instructions could result in property damage or physical harm. WARNING: To reduce the risk of electrical shock, do not use your heater with ungrounded electrical systems or two-pronged (cheater) adapters. 267 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Driving Prior to using the engine block heater, follow these recommendations for proper and safe operation: • For your safety, use an outdoor extension cord that is product certified by Underwriter’s laboratory (UL) or Canadian Standards Association (CSA). Use only an extension cord that can be used outdoors, in cold temperatures, and is clearly marked ⬙Suitable for Use with Outdoor Appliances.⬙ Never use an indoor extension cord outdoors; it could result in an electric shock or fire hazard. • Use a 16 gauge outdoor extension cord, minimum. • Use as short an extension cord as possible. • Do not use multiple extension cords. Instead, use one extension cord which is long enough to reach from the engine block heater cord to the outlet without stretching. • Make certain that the extension cord is in excellent condition (not patched or spliced). Store your extension cord indoors at temperatures above 32°F (0°C). Outdoor conditions can deteriorate extension cords over a period of time. • To reduce the risk of electrical shock, do not use your heater with ungrounded electrical systems or two pronged (cheater) adapters. Also ensure that the block heater, especially the cord, is in good condition before use. • Make sure that when in operation, the extension cord plug /engine block heater cord plug connection is free and clear of water in order to prevent possible shock or fire. • Be sure that areas where the vehicle is parked are clean and clear of all combustibles such as petroleum products, dust, rags, paper and similar items. • Be sure that the engine block heater, heater cord and extension cord are solidly connected. A poor connection can cause the cord to become very hot and may result in an electrical shock or fire. Be sure to check for heat anywhere in the electrical hookup once the system has been operating for approximately a half hour. • Finally, have the engine block heater system checked during your fall tune-up to be sure it’s in good working order. 268 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Driving How to Use the Engine Block Heater Ensure the receptacle terminals are clean and dry prior to use. To clean them, use a dry cloth. Depending on the type of factory installed equipment, your engine block heater system may consume anywhere between 400 watts or 1000 watts of power per hour. Your factory installed block heater system does not have a thermostat; however, maximum temperature is attained after approximately three hours of operation. Block heater operation longer than three hours will not improve system performance and will unnecessarily use additional electricity. Make sure system is unplugged and properly stowed before driving the vehicle. While not in use, make sure the protective cover seals the prongs of the engine block heater cord plug. BRAKES Occasional brake noise is normal. If a metal-to-metal, continuous grinding or continuous squeal sound is present, the brake linings may be worn-out and should be inspected by an authorized dealer. If the vehicle has continuous vibration or shudder in the steering wheel while braking, the vehicle should be inspected by an authorized dealer. Refer to Warning lights and chimes in the Instrument Cluster chapter for information on the brake system warning light. BRAKE Four-wheel anti-lock brake system (ABS) (if equipped) Your vehicle may be equipped with an anti-lock braking system (ABS). This system helps you maintain steering control during emergency stops by keeping the brakes from locking. The ABS operates by detecting the onset of wheel lockup during brake application and compensates for this tendency. Noise from the ABS pump motor and brake pedal pulsation may be observed during ABS braking; any pulsation or mechanical noise you may feel or hear is normal. In addition, the ABS performs a self-check after you start the engine and begin to drive away. A brief mechanical noise may be heard during this test. This is normal. 269 2010 F-250/350/450/550 (f23) Owners Guide, 2nd Printing USA (fus) Driving ABS ABS warning lamp The ABS lamp in the instrument

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2010 Ford F 250 Owners Manual