2007 Dodge RAM Chassis Cab Owners Manual

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hub cap with a back and forth motion. On models with dual rear wheels (DRW), you must first remove the hub caps. The jack handle driver has a hook at one end that will fit in the pry off notch of the rear hub caps. Position the hook and pull out on the ratchet firmly. The hub cap should pop off. The wheel skins can now be removed. For the front hub cap on models use the blade on the end of the lug wrench to pry the caps off. The wheel skin can now be removed. 378 WHAT TO DO IN EMERGENCIES CAUTION! Use a back and forth motion to remove the hub cap. Do not use a twisting motion when removing the hub cap, damage to the hub cap finish may occur. CAUTION! The rear hub caps on the dual rear wheel has two pry off notches. Make sure that the hook of the jack handle driver is located squarely in the cap notch before attempting to pull off. You must use the flat end of the lug wrench to pry off the wheel skins. Insert the flat tip completely and using a back and forth motion, loosen the wheel skin. Repeat this procedure around the tire until the skin pops off. Replace the wheel skins first using a rubber mallet. When replacing the hub caps, tilt the cap retainer over the lugnut bolt circle and strike the high side down with a rubber mallet. Be sure that the hub caps and wheel skins are firmly seated around the wheel. 8-Stud — Dual Rear Wheels Dual wheels are flat mounted, center piloted. The lug nuts are a two piece assembly. When the tires are being rotated or replaced, clean these lug nuts and add 2 drops of oil at the interface between the hex and the washer. WHAT TO DO IN EMERGENCIES 379 Dual wheel models require a special heavy-duty lug nut tightening adapter (included with the vehicle) to cor- rectly tighten the lug nuts. Also, when it is necessary to remove and install dual rear wheels, use a proper vehicle lifting device. NOTE: When installing a spare tire as part of a dual rear wheel end combination, the tire diameter of the two individual tires must be compared. If there is a significant difference, the larger tire should be installed in a front location. Correct direction of rotation for dual tire instal- lations must also be observed. These dual rear wheels should be tightened as follows: Slots in the wheels will assist in properly orienting the inner and outer wheels. Align these slots when assem- bling the wheels for best access to the tire valve on the inner wheel. The tires of both dual wheels must be completely off the ground when tightening to insure wheel centering and maximum wheel clamping. 380 WHAT TO DO IN EMERGENCIES 1. Tighten the wheel nuts in the numbered sequence to a snug fit. 2. Retighten the wheel nuts in the same sequence to the torques listed in the table. Go through the sequence a second time to verify that specific torque has been achieved. Retighten to specifications at 100 miles (160 km) and after 500 miles (800 km). It is recommended that wheel stud nuts be kept torqued to specifications at all times. Torque wheel stud nuts to specifications at each lubrication interval. Wheel Nuts All wheel nuts should be tightened occasionally to elimi- nate the possibility of wheel studs being sheared or the bolt holes in the wheels becoming elongated. This is especially important during the first few hundred miles of operation to allow the wheel nuts to become properly set. All nuts should first be firmly seated against the wheel. The nuts should then be tightened to recom- mended torque. Tighten the nuts to final torque in increments. Progress around the bolt circle, tightening the nut opposite to the nut just previously tightened until final torque is achieved. Recommended torques are shown in the following chart. Disc Wheels Type Nut Stud Size Torque Ft. Lbs. Cone Flanged 9/16-18 9/16-18 120-150 130-160 To Stow The Flat Or Spare (If equipped) Refer to Upfitters Body Builders Guide for information on stowing your spare tire (If equipped). Torque Newton Meters 160-200 190-220 WHAT TO DO IN EMERGENCIES 381 HOISTING A conventional floor jack may be used at the jacking locations, refer to the graphics that show jacking loca- tions. However, a floor jack or frame hoist must never be used on any other parts or the underbody. CAUTION! Never use a floor jack directly under the differential housing of a loaded truck or damage to your vehicle may result. 382 WHAT TO DO IN EMERGENCIES JUMP-STARTING WARNING! To prevent personal injury or damage to clothing, do not allow battery fluid to contact eyes, skin or fabrics. Do not lean over a battery when connecting jumper cables or allow cable clamps to touch each other. Keep open flames or sparks away from battery vent holes. Always wear eye protection when work- ing with batteries. Do not use a booster battery or any other booster source that has a greater than 12 volt system, i.e. do not use a 24 volt power source. NOTE: Replacement batteries should both be of equal size to prevent damage to the vehicles charging system. Your vehicle is equipped with two 12–volt batteries. If it becomes necessary to use a booster battery, with jumper cables, to start a vehicle’s engine because its batteries are discharged, the following procedure should be followed: Set the parking brake and place an automatic transmis- sion in PARK (or NEUTRAL for a manual transmission). Turn off lights, heater and other electrical loads. Observe charge indicator (if equipped) in both batteries. If indica- tor (if equipped) is light or yellow on either battery, replace that battery. CAUTION! Use the Jump Start Procedure only when the charge indicator (if equipped) in both batteries is dark in the center. Do not attempt jump starting when either battery charge indicator (if equipped) is bright or yellow. If charge indicator (if equipped) has a green dot in the center, failure to start is not due to a discharged battery and cranking system should be checked. 1. Attach one jumper cable to the positive terminal of booster battery and the other end of the same cable to the positive terminal of the discharged battery. WHAT TO DO IN EMERGENCIES 383 WARNING! Do not permit vehicles to touch each other as this could establish a ground connection and personal injury could result. 384 WHAT TO DO IN EMERGENCIES 2. Connect one end of the other jumper cable to negative (-) post of booster battery. Connect the other end of the jumper cable to a good ground on the engine block of the vehicle with the discharged battery. Make sure a good connection is made, free of dirt and grease. WARNING! • Do not connect the cable to the negative post of the discharge battery. The resulting electrical spark could cause the battery to explode. • During cold weather when temperatures are be- low freezing point, electrolyte in a discharged battery may freeze. Do not attempt jump starting because the battery could rupture or explode. The battery temperature must be brought up above freezing point before attempting jump start. 3. Take care that the clamps from one cable do not inadvertently touch clamps from the other cable. Do not lean over the battery when making connection. The negative connection must provide good electrical con- ductivity and current carrying capacity. 4. After the engine is started or if the engine fails to start, cables must be disconnected in the following order: a. Disconnect the negative cable at the engine ground. b. Disconnect the negative cable at the negative post on booster battery. c. Disconnect the cable from the positive post of both batteries. WARNING! CAUTION! WHAT TO DO IN EMERGENCIES 385 Any procedure other than above could result in: 1. Personal injury caused by electrolyte squirting out the battery vent; 2. Personal injury or property damage due to battery explosion; 3. Damage to charging system of booster vehicle or of immobilized vehicle. With Portable Starting Unit There are many types of these units available. Follow the manufacturer’s instructions for necessary precautions and operation. It is very important that the starting unit operating voltage does not exceed 12 Volts D.C. or damage to battery, starter motor, alternator, or electrical system may occur. FREEING A STUCK VEHICLE If vehicle becomes stuck in snow, sand, or mud, it can often be moved by a rocking motion. Move the gear selector rhythmically between DRIVE and REVERSE (automatic transmissions) and between 1st and RE- VERSE (manual transmissions), while applying slight pressure to the accelerator. In general, the least amount of accelerator pedal pressure to maintain the rocking motion without spinning the wheels or racing the engine is most effective. Racing the engine or spinning the wheels, due to the frustration of 386 WHAT TO DO IN EMERGENCIES not freeing the vehicle, may lead to transmission over- heating and failure. Allow the engine to idle with the transmission selector in NEUTRAL for at least one minute after every five rocking-motion cycles. This will minimize overheating and reduce the risk of transmis- sion failure during prolonged efforts to free a stuck vehicle. EMERGENCY TOW HOOKS — IF EQUIPPED Your vehicle may be equipped with emergency tow hooks. NOTE: For off-road recovery, it is recommended to use both of the front tow hooks to minimize the risk of damage to the vehicle. WARNING! Chains are not recommended for freeing a stuck vehicle. Chains may break, causing serious injury or death. WARNING! Stand clear of vehicles when pulling with tow hooks. Tow straps and chains may break, causing serious injury. CAUTION! 4-Wheel- Drive Vehicles WHAT TO DO IN EMERGENCIES 387 Tow hooks are for emergency use only, to rescue a vehicle stranded off road. Do not use tow hooks for tow truck hookup or highway towing. You could damage your vehicle. CAUTION! To avoid damage to the transfer case while towing, always use one of the following methods. TOWING A DISABLED VEHICLE Proper towing or lifting equipment is required to prevent damage to your vehicle. Use only tow bars and other equipment designed for the purpose, following equip- ment manufacturer’s instructions. Use of safety chains is mandatory. Attach a tow bar or other towing device to the main structural members of the vehicle—not to bumpers or associated brackets. State and local laws applying to vehicles under tow must be observed. NOTE: The Transfer Case must be in the neutral posi- tion, and the transmission must be in Park (Automatic Transmission), or in gear (Manual Transmission) to tow a 4WD vehicle with one end of the vehicle raised. 388 WHAT TO DO IN EMERGENCIES The manufacturer recommends towing with all wheels OFF the ground. Acceptable methods are to tow vehicle on a flatbed or with one end of vehicle raised and the opposite end on a towing dolly. 2–Wheel- Drive Vehicles Provided that transmission is operable, tow on a flatbed or with the front wheels raised and the rear wheels on a dolly. MAINTAINING YOUR VEHICLE CONTENTS 䡵 Engine Compartment — 6.7L Diesel Engine . . . . 392 䡵 Engine Compartment— 5.7L Gas Engine . . . . . . 393 䡵 Onboard Diagnostic System (OBD II) . . . . . . . . . 394 ▫ Loose Fuel Filler Cap Message . . . . . . . . . . . . 394 䡵 Replacement Parts . . . . . . . . . . . . . . . . . . . . . . 395 䡵 Engine Data Plate . . . . . . . . . . . . . . . . . . . . . . 395 䡵 Dealer Service . . . . . . . . . . . . . . . . . . . . . . . . . 395 䡵 Service Information . . . . . . . . . . . . . . . . . . . . . 396 䡵 Maintenance Procedures . . . . . . . . . . . . . . . . . . 398 ▫ Engine Oil . . . . . . . . . . . . . . . . . . . . . . . . . . 398 ▫ Drive Belts (Gas Engines) . . . . . . . . . . . . . . . 406 ▫ Drive Belt (Diesel Engines) . . . . . . . . . . . . . . 406 ▫ Engine Air Cleaner Filter (Gas Engines) . . . . . 406 ▫ Engine Air Cleaner Filter (Diesel Engines) . . . . 407 ▫ Draining Fuel/Water Separator Filter (Diesel Engines) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 410 ▫ Engine Fuel Filter (Gas Engines) . . . . . . . . . . . 413 ▫ Spark Plugs (Gas Engines) . . . . . . . . . . . . . . . 413 390 MAINTAINING YOUR VEHICLE ▫ Catalytic Converter (Gas Engines) ▫ Intervention Regeneration Strategy – EVIC . . . . . . . . . 413 Message Process Flow (Catalyst Full Message) (Diesel Engines Only) . . . . . . . . . . . . . . . . . . 415 ▫ Emission-Related Components (Gas Engines) . . 418 ▫ Maintenance Free Battery (Gas Engines) . . . . . 418 ▫ Maintenance Free Batteries (Diesel Engines) . . . 419 ▫ Air Conditioner Maintenance . . . . . . . . . . . . . 420 ▫ Power Steering — Fluid Check . . . . . . . . . . . . 421 ▫ Front Suspension Ball Joints . . . . . . . . . . . . . . 422 ▫ Steering Linkage — Inspection . . . . . . . . . . . . 422 ▫ Front Prop Shaft Lubrication . . . . . . . . . . . . . 422 ▫ Front Axle Universal Drive Joints And Pivot Bearings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 423 ▫ Body Lubrication . . . . . . . . . . . . . . . . . . . . . 423 ▫ Windshield Wiper Blades . . . . . . . . . . . . . . . . 424 ▫ Windshield Washers . . . . . . . . . . . . . . . . . . . 424 ▫ Exhaust System . . . . . . . . . . . . . . . . . . . . . . 425 ▫ Cooling System . . . . . . . . . . . . . . . . . . . . . . . 426 ▫ Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 432 ▫ Charge Air Cooler — Inter-Cooler (Diesel Engines) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 432 ▫ Hoses And Vacuum/Vapor Harnesses . . . . . . . 433 ▫ Fuel System Connections . . . . . . . . . . . . . . . . 433 ▫ Brake System . . . . . . . . . . . . . . . . . . . . . . . . 434 ▫ Clutch Hydraulic System . . . . . . . . . . . . . . . . 436 ▫ Clutch Linkage . . . . . . . . . . . . . . . . . . . . . . . 436 ▫ Rear Axle And 4X4 Front Driving Axle Fluid Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 436 ▫ Transfer Case — If Equipped . . . . . . . . . . . . . 437 ▫ Manual Transmission — If Equipped . . . . . . . 438 ▫ Automatic Transmission (Gas Engine Only) . . . 438 ▫ Automatic Transmission (Diesel Engine Only) . 441 ▫ Front And Rear Wheel Bearings . . . . . . . . . . . 444 ▫ Noise Control System Required Maintenance & Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . 445 ▫ Appearance Care And Protection From Corrosion . . . . . . . . . . . . . . . . . . . . . . . . . . . 452 . . . . . . . . . . . 457 䡵 Fuses (Integrated Power Module) MAINTAINING YOUR VEHICLE 391 䡵 Vehicle Storage . . . . . . . . . . . . . . . . . . . . . . . . 461 䡵 Replacement Light Bulbs . . . . . . . . . . . . . . . . . 461 䡵 Bulb Replacement . . . . . . . . . . . . . . . . . . . . . . 462 ▫ Headlight (Halogen)/Front Park And Turn Lights . . . . . . . . . . . . . . . . . . . . . . . . . 462 ▫ Fog Lights . . . . . . . . . . . . . . . . . . . . . . . . . . 465 ▫ Cab Top Clearance Lights — If Equipped . . . . 466 䡵 Fluid And Capacities . . . . . . . . . . . . . . . . . . . . 468 䡵 Fluids, Lubricants And Genuine Parts . . . . . . . . 469 ▫ Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 469 ▫ Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . 471 392 MAINTAINING YOUR VEHICLE ENGINE COMPARTMENT — 6.7L DIESEL ENGINE ENGINE COMPARTMENT— 5.7L GAS ENGINE MAINTAINING YOUR VEHICLE 393 394 MAINTAINING YOUR VEHICLE ONBOARD DIAGNOSTIC SYSTEM (OBD II) Vehicles equipped with California emissions controls have a sophisticated onboard diagnostic system called OBDII. This system monitors the performance of the emissions, engine, and automatic transmission control systems. When these systems are operating properly, your vehicle will provide excellent performance and fuel economy, as well as engine emissions well within current government regulations. If any of these systems require service, the OBD II system will turn on the “Malfunction Indicator Light.” It will also store diagnostic codes and other information to assist your service technician in making repairs. Al- though your vehicle will usually be driveable and not need towing, see your dealer for service as soon as possible. CAUTION! Prolonged driving with the “Malfunction Indicator Light” on could cause further damage to the emis- sion control system. It could also affect fuel economy and driveability. The vehicle must be serviced before any emissions tests can be performed. If the “Malfunction Indicator Light” is flashing, severe catalytic converter damage and power loss will soon occur. Immediate service is required. Loose Fuel Filler Cap Message If the vehicles diagnostic system determines that the fuel filler cap in loose, improperly installed, or damaged, a GASCAP message will be displayed in the instrument cluster. Tighten the gas cap until a “clicking” sound is heard. This is an indication that the gas cap is properly tightened. Press the odometer reset button to turn the message off. If the problem persists, the message will appear the next time the vehicle is started. This might indicate a damaged cap. If the problem is detected twice in a row, turn on the Malfunction Indicator Light (MIL). Resolving the problem will turn the MIL light off. the system will REPLACEMENT PARTS Use of genuine Mopar威 parts for normal/scheduled maintenance and repairs is highly recommended to in- sure the designed performance. Damage or failures caused by the use of non-Mopar parts for maintenance and repairs will not be covered by the manufacturer’s warranty. MAINTAINING YOUR VEHICLE 395 ENGINE DATA PLATE Use the information from the engine data plate when discussing service or sourcing parts for your engine. The engine data plate is located on the intake side of the breather cover. DEALER SERVICE Your dealer has the qualified service personnel, special tools and equipment to perform all service operations in an expert manner. Service manuals are available which include detailed service information for your vehicle. Refer to these manuals before attempting any procedure yourself. NOTE: systems can result against you. Intentional tampering with emissions control in civil penalties being assessed 396 MAINTAINING YOUR VEHICLE WARNING! You can be badly injured working on or around a motor vehicle. Do only that service work for which you have the knowledge and the proper equipment. If you have any doubt about your ability to perform a service job, take your vehicle to a competent mechanic. SERVICE INFORMATION Mopar Fluids, Lubricants and Parts are available from your dealer and will help you keep your vehicle operat- ing at its best. Your dealer also has the qualified service personnel, special tools and equipment to perform all service operations in an expert manner. Service manuals are available which include detailed service information for your vehicle. Refer to these manuals before attempt- ing any procedure yourself. See Service Publications information at the back of this manual. CAUTION! To maintain your vehicle safely follow these guide- lines: • Watch your vehicle’s mileage and check your Mainte- nance Schedules regularly for required servicing. Ex- cessive wear or damage to certain vehicle components can result if required services are not performed. • If you have your vehicle undercoated, inspect for undercoating material on the propeller shafts. Such material could cause the shafts to become unbalanced and result in drivetrain vibrations. Remove any under- coating with solvent. • If you have your vehicle undercoated, make sure no undercoating material is sprayed on the exhaust sys- tem or components of the seat belt system. It is not possible for the manufacturer and NOTE: Cummins, Inc. to anticipate every possible circumstance that can involve a potential hazard. WARNING! To maintain your vehicle safely and avoid personal injury, follow these guidelines: • Never spray or pour diesel fuel, flammable liquid or starting fluids (ether) into the air cleaner assembly, air intake piping or turbocharger inlet in an attempt to start the vehicle, unintended engine acceleration may occur. • Do not use alcohol or gasoline as a fuel blending agent. They can be unstable under certain conditions and be hazardous or explosive when mixed with diesel fuel. MAINTAINING YOUR VEHICLE 397 will stay hot after the engine is shut off. • If an engine has been operating and the coolant is hot, allow the engine to cool before you slowly loosen the filler cap and relieve the pressure from the cooling system. • To avoid burns, remember that the engine components • Do not use gasoline or other flammable materials to clean parts. Always use approved cleaning solvents. • Relieve all pressure in the fuel, oil and cooling systems before any lines, fittings or related items are removed or disconnected. Be alert for possible pressure when disconnecting any device from a system that utilizes pressure. Do not check for pressure leaks with your hand. High pressure oil or fuel can cause personal injury. 398 MAINTAINING YOUR VEHICLE WARNING! Do not open the high pressure fuel system with the engine running. Engine operation causes high fuel pressure. High pressure fuel spray can cause serious injury or death. • Important: All maintenance other than that listed in this manual, as well as some procedures listed here, MUST be performed by your local Dodge Truck Dealer. Your authorized Dodge Dealer has been trained and has the necessary parts to maintain your engine. MAINTENANCE PROCEDURES The pages that follow contain the required maintenance services determined by the engineers who designed your vehicle. Besides the maintenance items for which there are fixed maintenance intervals, there are other items that should operate satisfactorily without periodic maintenance. However, if a malfunction of these items does occur, it could adversely affect the engine or vehicle performance. These items should be inspected if a malfunction is observed or suspected. Engine Oil Checking Oil Level To assure proper lubrication of your vehicle’s engine, the engine oil must be maintained at the correct level. Check the oil level at regular intervals. The best time to check the oil level is before starting the engine after it has been parked overnight. When checking oil after operating the MAINTAINING YOUR VEHICLE 399 engine, first ensure the engine is at full operating tem- perature, then wait at least 15 minutes after engine shutdown to check the oil. Checking the oil while the vehicle is on level ground will improve the accuracy of the oil level readings. Always maintain the oil level within the SAFE zone on the dipstick. Adding one quart of oil when the reading is at the bottom of the SAFE zone will result in a reading at the top of the safe zone on these engines. CAUTION! Overfilling or underfilling the crankcase will cause oil aeration or loss of oil pressure. This could dam- age your engine. Never operate the engine with oil level below the “ADD” mark or above the upper “SAFE” mark. 400 MAINTAINING YOUR VEHICLE Change Engine Oil (Gas Engines) Road conditions as well as your kind of driving affect the interval at which your oil should be changed. Check the following to determine if any apply to you: • Frequent short trips where the engine does not achieve full operating temperature (operating temperature de- fined as 190° F (66° C ) coolant temperature). • Extensive engine idling (over 10 minutes per hour of operation) at ambient temperatures less than 32° F (0° C). • Driving in dusty conditions. • Frequent trailer towing. • Taxi, police, or delivery service (commercial service). • Off-road or desert operation. • Extensive operation at high engine speeds (greater than 2900 rpm) and loads (greater than 70% throttle). If ANY of these apply to you, then change your engine oil at every interval shown in schedule ⬙B⬙ of the ⬙Mainte- nance Schedules⬙ section of this manual. If none of these apply to you, then change your engine oil at every interval shown on schedule ⬙A⬙ of the ⬙Mainte- nance Schedules⬙ section of this manual. NOTE: Most vehicles are operated under the conditions listed for Schedule ⬙B.⬙ Dusty Conditions Driving through dust-laden air increases the problems of keeping abrasive materials out of the engine. Under these conditions, special attention should be given to the engine air cleaner, the crankcase inlet air cleaner and the crankcase ventilation system. Make sure that these units are clean at all times. This will tend to reduce to a minimum the amount of abrasive material that may enter the engine. Engine Oil Selection (Gas Engines) For best performance and maximum protection under all types of operating conditions, the manufacture only recommends engine oils that are API certified and meet the requirements of DaimlerChrysler Material Standard MS-6395. Use Mopar or an equivalent oil meeting the specification MS-6395. American Petroleum Institute (API) Engine Oil Identification Symbol This symbol means that the oil has been certified by the American Petroleum Institute (API). The manufacture only recommends API Certified engine oils. MAINTAINING YOUR VEHICLE 401 Engine Oil Viscosity (SAE Grade) For trucks with a 5.7L engine operating under a gross combined weight rating of 14,000 lbs or greater, SAE 5W-30 engine oil is recommended for all operating temperatures. For all other trucks with a 5.7L engine, operating under a gross weight rating less than 14,000 lbs SAE 5W-20 engine oil is recommended for all operating temperatures. These engine oils improve low temperature starting and vehicle fuel economy. Your engine oil filler cap also shows the recommended engine oil viscosity for your vehicle. For information on engine oil filler cap location, see the Engine Compartment illustration in this section. Lubricants which do not have both, the engine oil certi- fication mark and the correct SAE viscosity grade num- ber should not be used. 402 MAINTAINING YOUR VEHICLE Change Engine Oil (Diesel Engines) Follow the Diesel Maintenance Schedule for recom- mended engine oil change intervals. Engine Oil Selection (Diesel Engines) For best performance and maximum protection under all types of operating conditions, the manufacture only recommends engine oils that are API CJ-4 certified and meet the requirements of DaimlerChrysler. Use Mopar or an equivalent oil meeting the specification MS-10902. Products meeting Cummins CES 20081 may also be used. The identification of these engine oils are typically lo- cated on the back of the oil container. American Petroleum Institute (API) Engine Oil Identification Symbol This symbol means that the oil has been certified by the American Petro- leum Institute (API). The manufacture only recommends API Certified en- gine oils. Oils with a high ash content may produce deposits on valves that can progress to guttering and valve burning. A maximum sulfated ash content of 1.00 mass % is recommended for all oil used in the engine. The same oil change interval is to be followed for synthetic oil as for petroleum based oil. Also, synthetic oil must meet the same performance specifications as petro- leum oil. SAE 15W-40 Engine Oil Engine Oil Viscosity (SAE Grade) Use that meets DaimlerChrysler Materials Standard MS-10902 and the API CJ-4 engine oil category. Engine oil not designated by the DaimlerChrysler or Cummins Material Standards and API CJ-4 should not be used, engine and exhaust system durability may be compromised. For lower temperature operation SAE 5W-40 engine oils may be used. These oils must meet the same requirements as stated previously. Your engine oil filler cap also shows the recommended engine oil viscos- ity for your vehicle. Synthetic Engine Oils You may use synthetic engine oils provided the recom- mended oil quality requirements are met, and the recom- mended maintenance intervals for oil and filter changes are followed. MAINTAINING YOUR VEHICLE 403 Materials Added to Engine Oil The manufacture strongly recommends against the addi- tion of any additives (other than leak detection dyes or lube odorants) to the engine oil. Engine oil is an engi- neered product and it’s performance may be impaired by supplemental additives. NOTE: The manufacturer offers a lube odorant (Mopar Diesel Fresh) for diesel engines crankcases. The lube odorant is recommended by the manufacturer to reduce the sulfur smell that may occur during engine idling. Engine Oil Filter Refer to Fluids, Lubricants and Genuine Parts for the correct part number. The engine oil filter should be changed at every engine oil change. Engine Oil And Filter — Change Operate the engine until the coolant temperature reaches 140°F (60°C). Shut the engine off. Remove the oil drain plug. 404 MAINTAINING YOUR VEHICLE Use a container that can hold at least 12 quarts (11.3 Liters) to hold the used oil. Always check the condition of the used oil. This can give you an indication of some engine problems that might exist. • Thin, black oil indicates fuel dilution. • Milky discoloration indicates coolant dilution. Clean the area around the oil filter base. Remove the filter from the underside of the vehicle using a cap style oil filter wrench. Clean the gasket surface of the filter mount. The filter gasket can stick on the filter mount. Make sure it is removed. Change the engine oil filter with every engine oil change. Only a high quality MOPAR filter should be used to assure most efficient service. CAUTION! The filtering medium of other aftermarket filters may disintegrate. Debris from failed filters may plug the piston oil cooling nozzles, resulting in scuffed pistons and engine failure. CAUTION! Fill the oil filter element with clean oil before installation. Use the same type oil that will be used in the engine. When filling the oil filter, prevent foreign material from falling into the filter. Severe engine damage may occur. Apply a light film of lubricating oil to the sealing surface of the filter gasket before installing the filter. CAUTION! Overtightening may distort the threads or damage the filter element seal. Install the filter as specified by the filter manufacturer. Turn the filter 3/4 to one full turn after making contact with the gasket. Check the condition of the threads and sealing surface on the oil pan and drain plug. Install the drain plug and sealing washer and tighten to 37 ft-lbs. (50 N·m). Use only high-quality multi-grade lubricating oil in your engine. Choose the correct oil for your operating condi- tions as outlined in the Selection of Engine Oil. Fill the engine with the correct grade of new oil. MAINTAINING YOUR VEHICLE 405 Start the engine and operate it at idle for several minutes. Check for leaks at the lubricating oil filter and oil pan drain plug. Run the engine until it has reached operating tempera- ture, stop the engine. Wait approximately 15 minutes to let the oil in the upper parts of the engine drain back to the pan. Check the oil level again. Add oil as necessary to bring the level to the “SAFE” mark on the dipstick. Disposing Of Used Engine Oil And Filter Care should be taken in disposing of the used engine fluids from your vehicle. Used fluids, indiscriminately discarded, can present a problem to the environment. Contact your local dealer, service station, or governmen- tal agency for advice on recycling programs and where used fluids and filters can be safely discarded in your area. 406 MAINTAINING YOUR VEHICLE Drive Belts (Gas Engines) Belt tension is controlled by means of an automatic tensioner. No belt tension adjustments are required. However, belt and belt tensioner condition should be inspected at the specified intervals and replaced if re- quired. See your authorized dealer for service. At the mileage indicated in the maintenance schedule, all belts and tensioner should be checked for condition. Improper belt tension can cause belt slippage and failure. Belts should be inspected for evidence of cuts, cracks, glazing or frayed cords and replaced if there is indication of damage which could result in belt failure. Low gen- erator belt tension can cause battery failure. Also check belt routing to make sure there is no interfer- ence between the belts and other engine components. Drive Belt (Diesel Engines) able. Inspection Check the belt for intersecting cracks. • Transverse (across the belt width) cracks are accept- • Longitudinal (direction of belt length) cracks that intersect with transverse cracks are NOT acceptable. Replace the belt if it has unacceptable cracks, is frayed or has pieces of material missing. The engine speed sensor, located near the damper, should be inspected for damage if a belt is frayed. Engine Air Cleaner Filter (Gas Engines) Under normal driving conditions, replace the air filter at the intervals shown on Schedule “A”. If, however, you drive the vehicle frequently under dusty or severe con- ditions, the filter element should be inspected periodi- cally and replaced if necessary at the intervals shown on Schedule “B”. WARNING! The air induction system (air cleaner, hoses, etc) can provide a measure of protection in the case of engine backfire. Do not remove the air induction system (air cleaner, hoses, etc) unless such removal is necessary for repair or maintenance. Make sure that no one is near the engine compartment before starting the vehicle with the air induction system (air cleaner, hoses, etc) removed. Failure to do so can result in serious personal injury. MAINTAINING YOUR VEHICLE 407 Engine Air Cleaner Filter (Diesel Engines) CAUTION! All air entering the engine intake must be filtered. The abrasive particles in unfiltered air will cause rapid wear to engine components. The air filter housing on your Diesel Ram is equipped with a Filter Minder™. This is an air flow restriction gauge that will indicate when the filter element needs to be replaced. Do not remove the top of the air filter housing to inspect the filter element on your diesel engine under normal operating conditions. NOTE: The air filter housing contains a Mass Air Flow sensor. This sensor is critical to proper engine operation and component longevity. Any damage or modification 408 MAINTAINING YOUR VEHICLE to this sensor could result in major engine and/or exhaust aftertreatment damage. This includes the use of non-approved air filters. Use only MOPAR威 approved air filters or equivalent. The clear plastic housing on the Filter Minder™ allows you to view the amount of air pressure drop across the filter element. It consists of a diaphragm and a calibrated spring sealed inside the plastic housing. As the air cleaner filter becomes clogged and air pressure drop across the filter element increases, a yellow disc travels along a graduated scale on the side of the Filter Minder™. The yellow disc will always show the greatest restriction experienced by the filter element. When the disc reaches the red zone, the filter element may need to be replaced. There is no other time or mileage interval for changing the air cleaner filter element. If the vehicle experiences a sudden loss of engine power when being driven in heavy snow or rain or when plowing snow, check the Filter Minder™ • If the Filter Minder™ is showing a plugged filter, the filter should be visually inspected for snow/ice build up or extreme water saturation. • If the filter is not damaged, remove all snow/ice, reinstall filter and reset the Filter Minder™. A visual inspection of the air cleaner filter element is never recommended under normal circumstances. A badly restricted element may appear clean while a soiled element may be quite effective in filtering particles without restricting air flow. Rely on the Filter Minder™ to determine when a filter change is necessary. After a new filter element is inserted, press the rubber button on the top of the Filter Minder™. This action will reset the yellow disc to the clean position. CAUTION! When using an engine cleaner or a degreaser, be sure to wrap and tape the Filter Minder™ to protect the plastic housing from damage and discoloration. MAINTAINING YOUR VEHICLE 409 CAUTION! Many aftermarket performance air filter elements do not adequately filter the air entering the engine. Use of such filters can severely damage your engine. 410 MAINTAINING YOUR VEHICLE Draining Fuel/Water Separator Filter (Diesel Engines) CAUTION! Do not drain the fuel/water separator filter when the engine is running. CAUTION! Do not prefill the fuel filter when installing a new fuel filter. There is a possibility debris could be introduced into the fuel filter during this action. It is best to install the filter dry and allow the in-tank lift pump to prime the fuel system. NOTE: Care should be taken in disposing of used fluids from your vehicle. Used fluids, indiscriminately dis- carded, can present a problem to the environment. Con- tact your local dealer, service station, or government agency for advice on recycling programs and for where used fluids and filters can be properly disposed of in your area. Drain a small amount from the fuel/water separator filter monthly or when the WATER IN FUEL indicator lamp is on. Turn the drain valve, located on the bottom of the filter, counterclockwise and allow any accumulated water to drain. Leave the drain valve open until all water and contaminants have been removed. Close the drain valve, by turning it clockwise, when clean fuel is visible. NOTE: The Fuel / Water separator drain valve is located on the bottom of the fuel filter housing. If more than a couple ounces of fuel has been drained, follow the directions below for “Priming if the engine has run out of fuel.” WARNING! Do not open the high pressure fuel system with the engine running. Engine operation causes high fuel pressure. High pressure fuel spray can cause serious injury or death. MAINTAINING YOUR VEHICLE 411 Priming if the engine has run out of fuel 1. Add a substantial quantity of fuel to the tank 5 to 10 gallons (19L to 38L). 2. Crank the engine for 1 to 2 seconds. If the engine does not start, then release the key or starter button back to the RUN position (do not turn the key back to the OFF position). The electric fuel transfer pump will continue to run and purge air from the system for about 25 seconds. After 25 seconds, attempt to start the engine again. 3. Start the engine using the Normal Starting Procedure. 4. Repeat the procedure if the engine does not start. 412 MAINTAINING YOUR VEHICLE CAUTION! WARNING! Do not engage the starter motor for more than 15 seconds at a time. Allow two minutes between the cranking intervals. Do not use alcohol or gasoline as a fuel blending agent. They can be unstable under certain conditions and be hazardous or explosive when mixed with diesel fuel. NOTE: The engine may run rough until the air is forced from all the fuel lines. CAUTION! Diesel fuel will damage black top paving surfaces. Drain the filter into an appropriate container. CAUTION! Due to lack of lubricants in alcohol or gasoline, the use of these fuels can cause damage to the fuel system. NOTE: A maximum blend of 5% biodiesel, meeting ASTM specification D-6751 may be used with your Cummins Diesel equipped vehicle. Use of bio-diesel mixture in excess of 5% can negatively impact the on- engine fuel filter’s ability to separate water from the fuel, resulting in high pressure fuel system corrosion or dam- age. NOTE: As sufficient testing as not been completed, ethanol blends are not recommended or approved for use with your Cummins Diesel equipped vehicle. In addition, commercially available fuel addi- NOTE: tives are not necessary for the proper operation of your Cummins Diesel equipped vehicle. Engine Fuel Filter (Gas Engines) A plugged fuel filter can cause stalling, limit the speed at which a vehicle can be driven or cause hard starting. Should an excessive amount of dirt accumulate in the fuel tank, frequent filter replacement may be necessary. MAINTAINING YOUR VEHICLE 413 Spark Plugs (Gas Engines) Spark plugs must fire properly to assure engine perfor- mance and emission control. New plugs should be in- stalled at the specified mileage. The entire set should be replaced if there is any malfunction due to a faulty spark plug, malfunctioning spark plugs can damage the cata- lytic converter. For proper type of replacement spark plugs, refer to the “Vehicle Emission Control Informa- tion” label in the engine compartment. Catalytic Converter (Gas Engines) The catalytic converter requires the use of unleaded fuel only. Leaded gasoline will destroy the effectiveness of the catalyst as an emission control device. Under normal operating conditions, the catalytic con- verter will not require maintenance. However, it is im- portant to keep the engine properly tuned to assure proper catalyst operation and prevent possible catalyst damage. 414 MAINTAINING YOUR VEHICLE CAUTION! WARNING! Damage to the catalytic converter can result if your vehicle is not kept in proper operating condition. In the event of engine malfunction, particularly involv- ing engine misfire or other apparent loss of perfor- mance, have your vehicle serviced promptly. Contin- ued operation of your vehicle with a severe malfunction could cause the converter to overheat, resulting in possible damage to the converter and the vehicle. NOTE: systems can result against you. Intentional tampering with emissions control in civil penalties being assessed A hot exhaust system can start a fire if you park over materials that can burn. Such materials might be grass or leaves coming into contact with your ex- haust system. Do not park or operate your vehicle in areas where your exhaust system can contact any- thing that can burn. In unusual situations involving grossly malfunctioning engine operation, a scorching odor may indicate severe and abnormal catalyst overheating. If this occurs, the vehicle should be stopped, the engine shut off and the vehicle allowed to cool. Thereafter, service, including a tune-up to manufacturer’s specifications, should be ob- tained immediately. To minimize the possibility of catalyst damage: • Do not shut off the engine or interrupt the ignition when the transmission is in gear and the vehicle is in motion. • Do not try to start engine by pushing or towing the • Do not idle the engine with any spark plug wires disconnected or removed, such as when diagnostic testing, or for prolonged periods during very rough idling or malfunctioning operating conditions. vehicle. Intervention Regeneration Strategy – EVIC Message Process Flow (Catalyst Full Message) (Diesel Engines Only) Your new Cummins 6.7L diesel meets all EPA Heavy Duty Diesel Engine Emissions Standards for 2007 MY (HDDE07), resulting in the lowest emitting diesel engine ever produced. MAINTAINING YOUR VEHICLE 415 To achieve these emission standards your Dodge Chassis Cab truck is equipped with state of the art engine and exhaust system. The engine and exhaust aftertreatment system work together to achieve the HDDE07 standard. These systems are seamlessly integrated into your Dodge truck and managed by the Cummins 6.7L engine Power- train Control Module (PCM). The PCM manages engine combustion to allow the exhaust system’s catalyst to trap and burn Particulate Matter (PM) pollutants, with no input or interaction on your part. Additionally, the overhead console in your Dodge truck has the ability to alert you to additional maintenance required on your truck or engine. Refer to the following messages that may be displayed on your Electronic Vehicle Information Center (EVIC): 416 MAINTAINING YOUR VEHICLE WARNING! A hot exhaust system can start a fire if you park over materials that can burn. Such materials might be grass or leaves coming into contact with your ex- haust system. Do not park or operate your vehicle in areas where your exhaust system can contact any- thing that can burn. Service CCV Filter The 6.7L Cummins engine utilizes a Closed Crankcase Ventilation (CCV) system. This system filters and recycles gasses produced in the crankcase during the normal combustion process. Service CCV Filter will be displayed on the overhead console of your Dodge truck if the CCV filter is due for required maintenance. This filter is located on the top of the engine valve cover. For addi- tional information, see your Dodge truck dealer. Catalyst Full See Owner Manual Catalyst Full See Owner Manual will be displayed on the overhead console of your Dodge truck if the exhaust particulate filter reaches 80% of its maximum storage capacity. Under conditions of exclusive short duration and low speed driving cycles, your Cummins engine and exhaust aftertreatment system may never reach the con- ditions required to remove the trapped PM, if this occurs Catalyst Full See Owner Manual will be displayed on the overhead console in your Dodge truck. If this message is displayed you will hear one chime to assist in alerting you of this condition. Catalyst Stat::::::::::80% Catalyst Stat::::::::::80% will replace the message Catalyst Full See Owner Manual after it is displayed for one minute. The engine Powertrain Control Module (PCM) will continue to monitor the amount of particulate matter trapped in the particulate filter. This message indicates the percentage of the particulate filter capacity that has been used. By simply driving your Dodge truck at highway speeds for as little as 45 minutes you can remedy the condition in the particulate filter system and allow your Cummins engine and exhaust Aftertreatment system to remove the trapped PM and restore the system to normal operating condition. Catalyst Stat:::::::::::80%, 90%, 99% Catalyst Stat:::::::::::80%, 90%, 99% If you are unable to drive your vehicle under these conditions for an ex- tended period of time after the initial warning notifica- tion, the Engine PCM will continue to monitor the particulate filter and will display the progression of particulate filter usage (80, 90, 99%) on the EVIC message center. MAINTAINING YOUR VEHICLE 417 CATALYST FULL SERVICE REQD If the particulate filter reaches 99% of it’s capacity the overhead console in your Dodge truck will chime twice and display the message CATALYST FULL SERVICE REQD. At this point the engine PCM will register a fault code, the instrument panel will display a MIL light and the engine PCM will derate the truck reducing its horse- power and torque output. The PCM derates the engine in order to limit the likeli- hood of permanent damage to the aftertreatment system. If this condition is not corrected and a dealer service is not performed, extensive exhaust aftertreatment damage can occur. In order to correct this condition it will be necessary to have the truck serviced by your Dodge truck dealer. 418 MAINTAINING YOUR VEHICLE Emission-Related Components (Gas Engines) the intervals specified. Positive Crankcase (PCV) Valve Proper operation of the crankcase ventilation system requires that the PCV valve be free of sticking or plug- ging from deposits. Deposits can accumulate in the PCV valve and passages with increasing mileage. Have the PCV valve, hoses, and passages checked for proper operation at the valve is plugged or sticking, replace with a new valve— do not attempt to clean the old PCV valve! Check the ventila- tion hoses for indications of damage, weepage or plug- ging with deposits. Replace if necessary. Maintenance Free Battery (Gas Engines) The top of the maintenance free battery is permanently sealed. You will never have to add water, nor is periodic maintenance required. If WARNING! • Battery fluid is a corrosive acid solution and can burn or even blind you. Don’t allow battery fluid to contact your eyes, skin or clothing. Don’t lean over a battery when attaching clamps. If acid splashes in eyes or on skin, flush the area imme- diately with large amounts of water. • Battery gas is flammable and explosive. Keep flame or sparks away from the battery. Don’t use a booster battery or any other booster source with an output greater than 12 volts. Don’t allow cable clamps to touch each other. • Battery posts, terminals and related accessories contain lead and lead compounds. Wash hands after handling. CAUTION! • It is essential when replacing the cables on the battery that the positive cable is attached to the positive post and the negative cable is attached to the negative post. Battery posts are marked (+) positive and negative (-) and identified on the battery case. • If a “fast charger” is used while battery is in vehicle, disconnect both vehicle battery cables before connecting the charger to battery. Do not use a “fast charger” to provide starting voltage. Maintenance Free Batteries (Diesel Engines) The top of the maintenance free batteries are perma- nently sealed. You will never have to add water, nor is periodic maintenance required. MAINTAINING YOUR VEHICLE 419 NOTE: Replacement batteries should both be of equal capacity to prevent damage to the vehicle’s charging system. CAUTION! It is essential when replacing the cables on the battery that the positive cable is attached to the positive post and the negative cable is attached to the negative post. Battery posts are marked (+) positive and negative (-) and identified on the battery case. Also, if a “fast charger” is used while battery is in vehicle, disconnect both vehicle battery cables be- fore connecting the charger to battery. Do not use a “fast charger” to provide starting voltage. 420 MAINTAINING YOUR VEHICLE WARNING! Battery posts, terminals, and related accessories con- tain lead and lead compounds. Always wash hands after handling the battery. Battery Blanket Usage A battery loses 60% of its cranking power as the battery temperature decreases to 0°F (-18°). For the same de- crease in temperature, the engine requires twice as much power to crank at the same RPM. The use of 120 VAC powered battery blankets will greatly increase starting capability at low temperatures. Suitable battery blankets are available from your authorized Mopar威 dealer. Air Conditioner Maintenance For best possible performance, your air conditioner should be checked and serviced by an Authorized Dealer at the start of each warm season. This service should include cleaning of the condenser fins and a performance test. Drive belt tension should also be checked at this time. NOTE: Refer to Section 3 of the Warranty Information book for further warranty information. WARNING! • Use only refrigerants and compressor lubricants approved by the manufacturer for your air condi- tioning system. Some unapproved refrigerants are flammable and can explode, injuring you. Other unapproved refrigerants or lubricants can cause the system to fail, requiring costly repairs. Refer to Section 3 of the Warranty Information book for further warranty information. • The air conditioning system contains refrigerant under high pressure. To avoid risk of personal injury or damage to the system, adding refrigerant or any repair requiring lines to be disconnected should be done by an experienced repairman. MAINTAINING YOUR VEHICLE 421 Refrigerant Recovery and Recycling R-134a Air Conditioning Refrigerant is a hydrofluorocar- bon (HFC) that is endorsed by the Environmental Pro- tection Agency and is an ozone-saving product. How- ever, the manufacturer recommends that air conditioning service be performed by dealers or other service facilities using recovery and recycling equipment. Power Steering — Fluid Check Checking the power steering fluid level at a defined service interval is not required. The fluid should only be checked if a leak is suspected, abnormal noises are apparent, and/or the system is not functioning as antici- pated. Coordinate inspection efforts through a certified DaimlerChrysler Dealership.⬙ 422 MAINTAINING YOUR VEHICLE WARNING! Fluid level should be checked on a level surface and with the engine off to prevent injury from moving parts and to insure accurate fluid level reading. Do not overfill. Use only manufacturers recommended power steering fluid. If necessary, add fluid to restore to the proper indicated level. With a clean cloth, wipe any spilled fluid from all surfaces. Refer to Fluids, Lubricants, and Genuine Parts for correct fluid type. Front Suspension Ball Joints The ball joints originally supplied with the vehicle are permanently lubricated at the factory and do not require service. The ball joints and seals should be inspected whenever the vehicle is serviced for other reasons. Steering Linkage — Inspection Whenever the vehicle is hoisted, all steering linkage joints should be inspected for evidence of damage. If seals are damaged, parts should be replaced to prevent leakage or contamination of the grease. Front Prop Shaft Lubrication Lubricate the front driveshaft grease fitting at each oil change listed in the appropriate Maintenance Schedule for your vehicle (Schedule “A” and “B”). Use Mopar威 type MS-6560 (lithium based grease), or equivalent. MAINTAINING YOUR VEHICLE 423 Body Lubrication Locks and all body pivot points, including such items as seat tracks, doors, liftgate and hood hinges, should be lubricated periodically to assure quiet, easy operation and to protect against rust and wear. Prior to the appli- cation of any lubricant, the parts concerned should be wiped clean to remove dust and grit; after lubricating excess oil and grease should be removed. Particular attention should also be given to hood latching compo- nents to insure proper function. When performing other underhood services, the hood latch, release mechanism and safety catch should be cleaned and lubricated. The external lock cylinders should be lubricated twice a year, preferably in the fall and spring. Apply a small amount of a high quality lubricant such as Mopar威 Lock Cylinder Lubricant directly into the lock cylinder. Front Driveshaft Grease Fitting Front Axle Universal Drive Joints And Pivot Bearings The front axle universal joint and pivot bearings are permanently lubricated and do not require servicing. 424 MAINTAINING YOUR VEHICLE Windshield Wiper Blades The rubber edges of the wiper blades and the windshield should be cleaned periodically with a sponge or soft cloth and a mild nonabrasive cleaner. This will remove accu- mulations of salt or road film. Operation of the wipers on dry glass for long periods may cause deterioration of the wiper blades. Always use washer fluid when using the wipers to remove salt or dirt from a dry windshield. Avoid using the wiper blades to remove frost or ice from the windshield. Keep the blade rubber out of contact with petroleum products such as engine oil, gasoline, etc. Windshield Washers The fluid reservoir is located under the hood and should be checked for fluid level at regular intervals. Fill the reservoir with windshield washer solvent only (not ra- diator antifreeze). When refilling the washer fluid reservoir, take some washer fluid and apply it to a cloth or towel and wipe clean the wiper blades, this will help blade performance. To prevent freeze-up of your windshield washer system in cold weather, select a solution or mixture that meets or exceeds the temperature range of your climate. This rating information can be found on most washer fluid containers. WARNING! Commercially available windshield washer solvents are flammable. They could ignite and burn you. Care must be exercised when filling or working around the washer solution. After the engine has warmed, operate the defroster for a few minutes to reduce the possibility of smearing or freezing the fluid on the cold windshield. Mopar All Weather Windshield Washer Solution, used with water as directed on the container, aids cleaning action, reduces the freezing point to avoid line clogging, and is not harmful to paint or trim. Exhaust System The best protection against carbon monoxide entry into the vehicle body is a properly maintained engine exhaust system. Whenever a change is noticed in the sound of the exhaust system, when exhaust fumes can be detected inside the vehicle, or when the underside or rear of the vehicle is damaged, have a competent mechanic inspect the com- plete exhaust system and adjacent body areas for broken, damaged, deteriorated, or mispositioned parts. Open seams or loose connections could permit exhaust fumes MAINTAINING YOUR VEHICLE 425 to seep into the passenger compartment. In addition, inspect the exhaust system each time the vehicle is raised for lubrication or oil change. Replace parts as required. WARNING! Exhaust gases can injure or kill. They contain carbon monoxide (CO) which is colorless and odorless. Breathing it can make you unconscious and can eventually poison you. To avoid breathing CO, fol- low the preceding safety tips. Exhaust System Rubber Isolator and Loop-Type Hanger — If Equipped Inspect surfaces whenever the vehicle is hoisted for rubber to metal separation or deep cracks. If, however, excessively deep localized cracks are present, or any part 426 MAINTAINING YOUR VEHICLE of the exhaust system abnormally contacts the under- body hardware, the isolator and/or hanger should be replaced. Cooling System WARNING! You or others can be badly burned by hot coolant or steam from your radiator. If you see or hear steam coming from under the hood, don’t open the hood until the radiator has had time to cool. Never try to open a cooling system pressure cap when the radia- tor is hot. Engine Coolant Checks Check the engine coolant (antifreeze) protection every 12 months (before the onset of freezing weather, where applicable). If coolant is dirty or rusty in appearance, the system should be drained, flushed and refilled with fresh coolant. Check the front of the A/C condenser for any accumulation of bugs, leaves, etc. If dirty, clean by gently spraying water from a garden hose vertically down the face of the condenser. Check the coolant recovery bottle tubing for brittle rub- ber, cracking, tears, cuts and tightness of the connection at the bottle and radiator. Inspect the entire system for leaks. Extremely cold ambient temperature may require the addition of a “winter front” for effective operation of the cab heating/cooling system. Make certain that a percent- age of the radiator is exposed for adequate air flow through the charge air cooler and automatic transmission oil cooler. The percentage of opening must be increased with the increasing ambient air temperature and/or engine load. If the cooling fan can be heard cycling frequently, increase the size of the opening in the winter front. Coolant bottle level check The coolant reserve system provides a quick visual method of determining that the coolant level is adequate. With the engine idling, and warmed to the normal operating temperature, the level of the coolant on the coolant bottle should be between the fluid level marks. Check the coolant level whenever the hood is raised. The radiator normally remains completely full, so there is no longer a need to remove the coolant pressure cap except for checking coolant freeze point or replacement with new antifreeze coolant. MAINTAINING YOUR VEHICLE 427 WARNING! Never add coolant to the radiator when the engine is overheated. Do not loosen or remove pressure cap to cool overheated engine! The coolant is under pres- sure and severe scalding could result. Cooling System — Drain, Flush and Refill At the intervals shown on the Maintenance Schedules, the system should be drained, flushed and refilled. 428 MAINTAINING YOUR VEHICLE If the solution is dirty or contains a considerable amount of sediment, clean and flush with a reliable cooling system cleaner. Follow with a thorough rinsing to remove all deposits and chemicals. Properly dispose of old antifreeze solution. Selection Of Coolant Use only the manufacturers recommended coolant, refer to Fluids, Lubricants and Genuine Parts for correct coolant type. CAUTION! Mixing of coolants other than specified HOAT en- gine coolants, may result in engine damage and may decrease corrosion protection. If a non-HOAT cool- ant is introduced into the cooling system in an emergency, it should be replaced with the specified coolant as soon as possible. Do not use plain water alone or alcohol base engine coolant (antifreeze) products. Do not use additional rust inhibitors or antirust products, as they may not be compatible with the radiator engine coolant and may plug the radiator. This vehicle has not been designed for use with Propylene Glycol based coolants. Use of Propylene Glycol based coolants is not recommended. Adding Coolant Your vehicle has been built with an improved engine coolant that allows extended maintenance intervals. This coolant can be used up to 5 Years or 100,000 miles before replacement. To prevent reducing this extended mainte- nance period, it is important that you use the same coolant throughout the life of your vehicle. Please review these recommendations for using Hybrid Organic Addi- tive Technology (HOAT) coolant. When adding coolant, a minimum solution of 50% rec- ommended Mopar Antifreeze/ Coolant 5 Year/100,000 Mile Formula HOAT (Hybrid Organic Additive Technol- ogy), or equivalent, in water should be used. Use higher concentrations (not to exceed 70%) if temperatures below ⫺34°F (⫺37°C ) are anticipated. Use only high purity water such as distilled or deionized water when mixing the water/engine coolant solution. MAINTAINING YOUR VEHICLE 429 The use of lower quality water will reduce the amount of corrosion protection in the engine cooling system. Please note that it is the owner’s responsibility to main- tain the proper level of protection against freezing ac- cording to the temperatures occurring in the area where the vehicle is operated. NOTE: Mixing coolant types will decrease the life of the engine coolant and will require more frequent coolant changes. Cooling System Pressure Cap The cap must be fully tightened to prevent loss of coolant, and to insure that coolant will return to the radiator from the coolant recovery bottle. The cap should be inspected and cleaned if there is any accumulation of foreign material on the sealing surfaces. 430 MAINTAINING YOUR VEHICLE WARNING! • The warning words “DO NOT OPEN HOT” on the cooling system pressure cap are a safety pre- caution. Never add coolant when the engine is overheated. Do not loosen or remove the cap to cool an overheated engine. Heat causes pressure to build up in the cooling system. To prevent scalding or injury, do not remove the pressure cap while the system is hot or under pressure. • Do not use a pressure cap other than the one specified for your vehicle. Personal injury or engine damage may result. Disposal Of Used Engine Coolant Used ethylene glycol based engine coolant is a regulated substance requiring proper disposal. Check with your local authorities to determine the disposal rules for your community. Do not store ethylene glycol-based engine coolant in open containers or allow it to remain in puddles on the ground. Prevent ingestion by animals and children. If ingested by a child, contact a physician immediately. Clean up any ground spills immediately. Coolant Level The coolant bottle provides a quick visual method for determining that the coolant level is adequate. With the engine cold, the level of the coolant in the coolant recovery bottle should be between the ranges indicated on the bottle. The radiator normally remains completely full, so there is no need to remove the radiator cap unless checking for coolant freeze point or replacing coolant. Advise your service attendant of this. As long as the engine operating temperature is satisfactory, the coolant bottle need only be checked once a month. When additional coolant is needed to maintain the proper level, it should be added to the coolant bottle. Do not overfill. Points To Remember NOTE: When the vehicle is stopped after a few miles (a few kilometers) of operation, you may observe vapor coming from the front of the engine compartment. This is normally a result of moisture from rain, snow, or high humidity accumulating on the radiator and being vapor- ized when the thermostat opens, allowing hot coolant to enter the radiator. MAINTAINING YOUR VEHICLE 431 If an examination of your engine compartment shows no evidence of radiator or hose leaks, the vehicle may be safely driven. The vapor will soon dissipate. • Do not overfill the coolant recovery bottle. • Check coolant freeze point in the radiator and in the coolant recovery bottle. If antifreeze needs to be added, contents of coolant recovery bottle must also be protected against freezing. • If frequent coolant additions are required, or if the level in the coolant recovery bottle does not drop when the engine cools, the cooling system should be pres- sure tested for leaks. • Maintain coolant concentration at 50% HOAT engine coolant (minimum) and distilled water for proper corrosion protection of your engine which contains aluminum components. 432 MAINTAINING YOUR VEHICLE • Make sure that the radiator and coolant recovery bottle overflow hoses are not kinked or obstructed. • Keep the front of the radiator clean. If your vehicle is equipped with air conditioning, keep the front of the condenser clean, also. • Do not change the thermostat for summer or winter install operation. If replacement is ever necessary, ONLY the correct type thermostat. Other designs may result in unsatisfactory coolant performance, poor gas mileage, and increased emissions. Fan Inspection Check the fan for cracks and bent or broken blades. If any of these conditions exist, you must replace the fan. Make sure it is securely mounted. NOTE: This service procedure must be performed by a trained service technician. Make arrangements with your authorized Dodge Truck Dealer for this inspection. Charge Air Cooler — Inter-Cooler (Diesel Engines) The charge air cooler is positioned between the radiator and the air conditioner condenser. Air enters the engine through the air cleaner and passes through the turbo- charger where it is pressurized. This pressurized air rapidly reaches high temperature. The air is then directed through a hose to the charge air cooler and through another hose to the intake manifold of the engine. The air entering the engine has been cooled by about 50 to 100 degrees Fahrenheit. This cooling process enables more efficient burning of fuel resulting in fewer emissions. To guarantee optimum performance of the system, keep the surfaces of the charge air cooler, condenser and radiator clean and free of debris. Periodically check the hoses leading to and from the charge air cooler for cracks or loose clamps resulting in loss of pressure and reduced engine performance. Hoses And Vacuum/Vapor Harnesses Inspect surfaces of hoses and nylon tubing for evidence of heat and mechanical damage. Hard or soft spots, brittle rubber, cracking, tears, cuts, abrasions, and exces- sive swelling indicate deterioration of the rubber. Pay particular attention to those hoses nearest to high heat sources such as the exhaust manifold. Inspect hose routing to be sure hoses do not come in contact with any heat source or moving component which may cause heat damage or mechanical wear. Insure nylon tubing in these areas has not melted or collapsed. MAINTAINING YOUR VEHICLE 433 Inspect all hose connections such as clamps and cou- plings to make sure they are secure and no leaks are present. Components should be replaced immediately if there is any evidence of wear or damage that could cause failure. Fuel System Connections Electronic Fuel Injection high pressure fuel systems are designed with tubes and special connects, connections and clamps which have unique material characteristics to provide adequate sealing and resist attack by deterio- rated gasoline. You are urged to use only the manufactures-specified tubes, connections and clamps, or their equivalent in material and specification, in any fuel system servicing. 434 MAINTAINING YOUR VEHICLE Brake System Power Disc Brakes (Front and Rear) Disc brakes do not require adjustment; however, several hard stops during the break-in period are recommended to seat the linings and wear off any foreign material. Brake And Power Steering Hoses When the vehicle is serviced for scheduled maintenance, inspect surface of hoses and nylon tubing for evidence of heat and mechanical damage. Hard and brittle rubber, cracking, tears, cuts, abrasion, and excessive swelling indicate deterioration of the rubber. Particular attention should be made to examining those hose surfaces nearest to high heat sources, such as the exhaust manifold. Insure nylon tubing in these areas has not melted or collapsed. Inspect all hose connections such as clamps and cou- plings to make sure they are secure and no leaks are present. NOTE: Often, fluid such as oil, power steering fluid, and brake fluid are used during assembly plant opera- tions to facilitate the assembly of hoses to couplings. Therefore, oil wetness at the hose-coupling area is not necessarily an indication of leakage. Actual dripping of hot fluid when systems are under pressure (during vehicle operation), should be noted before hose is re- placed based on leakage. Inspection of brake hoses should be performed NOTE: whenever the brake system is serviced and every engine oil change. Inspect hydraulic brake hoses for surface cracking, scuffing, or worn spots. If there is any evidence of cracking, scuffing, or worn spots, the hose should be replaced immediately! Eventual deterioration of the hose can take place resulting in a possibility of a burst failure. WARNING! Worn brake hoses can burst and cause brake failure. You could have an accident. If you see any signs of cracking, scuffing, or worn spots, have the brake hoses replaced immediately. Brake Master Cylinder – Brake Fluid Level Check The fluid level of the master cylinder should be checked when performing under the hood service, or immedi- ately if the brake system warning lamp indicates system failure. The brake master cylinder has a translucent plastic reservoir. On the outboard side of the reservoir, there is a “FULL” dot and an “ADD” dot. The fluid level must be kept within these two dots. Do not add fluid above the full mark because leakage may occur at the cap. MAINTAINING YOUR VEHICLE 435 With disc brakes the fluid level can be expected to fall as the brake linings wear. However, an unexpected drop in fluid level may be caused by a leak and a system check should be conducted. Refer to Fluids, Lubricants and Genuine Parts for the correct Fluid type. WARNING! Use of a brake fluid that may have a lower initial boiling point, or unidentified as to specification, may result in sudden brake failure during hard prolonged braking. You could have an accident. 436 MAINTAINING YOUR VEHICLE WARNING! Overfilling the brake fluid reservoir can result in spilling brake fluid on hot engine parts and the brake fluid catching fire. Use only brake fluid that has been in a tightly closed container to avoid contamination from foreign matter or moisture. CAUTION! Do not allow a petroleum-base fluid to contaminate the brake fluid. Seal damage and loss of brake performance may result. Clutch Hydraulic System The clutch hydraulic system is a sealed maintenance-free system. In the event of leakage or other malfunction, the system must be replaced. Clutch Linkage If the clutch pedal linkage begins to squeak or grunt, the clutch pedal pivot bushings should be lubricated. Refer to Fluids, Lubricants and Genuine Parts for the correct lubricant type. Multipurpose Grease, NLGI Grade 2 E.P. Rear Axle And 4x4 Front Driving Axle Fluid Level For Model 9.25 Front Axles and 11.5” Rear Axles refer to Fluids, Lubricants and Genuine Parts for the correct lubricant type. For normal service, periodic fluid level checks are not required. When the vehicle is serviced for other reasons, the exterior surfaces of the axle assembly should be inspected. When checking the fluid level, the vehicle should be in a level position. The fluid level should be 1/4” ± 1/4” (6.4 mm ± 6.4 mm) below the fill hole on the 9.25” Front Axle. The fluid level should be 3/4” ± 1/4” (19 mm ± 6.4 mm) below the fill hole on 11.5” Rear Axles. Drain And Refill Vehicles operated in normal service do not have regularly scheduled oil changes. If fluid has become contaminated with water or subjected to severe service, follow the recommended change intervals in Maintenance Schedule “B” in Section 8 of this manual. Lubricant Selection Refer to Fluids, Lubricants and Genuine Parts for the correct lubricant type. NOTE: The presence of water in the gear lubricant will result in corrosion and possible failure of differential MAINTAINING YOUR VEHICLE 437 components. Operation of the vehicle in water, as may be encountered in some off-highway types of service, will require draining and refilling the axle to avoid damage. Limited-Slip Differentials in vehicles equipped with 11.5” Axles DO NOT REQUIRE any limited slip oil additive (friction modifiers). Transfer Case — If Equipped Lubricant Selection Refer to Fluids, Lubricants and Genuine Parts for the correct lubricant type. Fluid Level Check This fluid level can be checked by removing the filler plug. The fluid level should be to the bottom edge of the filler plug hole with the vehicle in a level position. 438 MAINTAINING YOUR VEHICLE Manual Transmission — If Equipped Automatic Transmission (Gas Engine Only) Lubricant Selection for 6-Speed Manual Transmission — If Equipped If it becomes necessary to add fluid or change the fluid, be sure to use the same lubricant or equivalent. Refer to Fluids, Lubricants and Genuine Parts for the correct lubricant type. Fluid Level Check This fluid level can be checked by removing the filler plug. If the level of the lubricant is more than 1/4” below the bottom of the filler hole while the vehicle is on level ground, enough lubricant should be added to bring the level to the bottom of the filler hole. Selection Of Lubricant Refer to Fluids, Lubricants and Genuine Parts for the correct lubricant type. It is important that the transmis- sion fluid be maintained at the prescribed level using the recommended fluid. CAUTION! Using a transmission fluid other than the manufac- turers recommended fluid may cause deterioration in transmission shift quality and/or torque converter shudder. Using a transmission fluid other than the manufacturers recommended fluid will result in more frequent fluid and filter changes. Refer to Fluids, Lubricants and Genuine Parts for correct fluid type. Fluid Level Check – 545RFE Transmission Check the fluid level while the transmission is at normal operating temperature 180° F (82° C). This occurs after at least 15 mi (25 km) of driving. At normal operating temperature the fluid cannot be held comfortably be- tween the fingertips. Procedure For Checking Fluid Level To properly check the automatic transmission fluid level, the following procedure must be used: 1. Operate the engine at idle speed and normal operating temperature. 2. The vehicle must be on level ground. 3. Fully apply parking brake. 4. Place the gear selector momentarily in each gear position ending with the lever in P (Park). MAINTAINING YOUR VEHICLE 439 5. Remove the dipstick, wipe it clean and reinsert it until seated. 6. Remove the dipstick again and note the fluid level on both sides. The fluid level should be between the HOT (upper) reference holes on the dipstick at normal operat- ing temperature. Verify that a solid coating of oil is seen on both sides of the dipstick. If the fluid is low, add as required into the dipstick tube. Do not overfill. After adding any quantity of oil through the dipstick tube, wait a minimum of two (2) minutes for the oil to fully drain into the transmission before rechecking the fluid level. If it is necessary to check the transmission below NOTE: the operating temperature, the fluid level should be between the two cold (lower) holes on the dipstick with the fluid at approximately 70° F (21° C) (room tempera- ture). If the fluid level is correctly established at room it should be between the HOT (upper) temperature, 440 MAINTAINING YOUR VEHICLE reference holes when the transmission reaches 180° F (21° C). Remember it is best to check the level at the normal operating temperature. CAUTION! Be aware that if the fluid temperature is below 50° F (10° C), it may not register on the dipstick. Do not add fluid until the temperature is elevated enough to produce an accurate reading. 7. Check for leaks. Release the Parking Brake. NOTE: To prevent dirt and water from entering the transmission after checking or replenishing fluid, make certain that the dipstick cap is properly reseated. It is normal for the dipstick cap to spring back slightly from its fully seated positions, as long as its seal remains engaged in the dipstick tube. Automatic Transmission Fluid and Filter Change The fluid and filter(s) should be changed and the as specified in the Maintenance Schedule (Section 8). Ve- hicles having severe usage should follow Maintenance Schedule “B” of the Maintenance Schedule (Section 8). Severe usage consists of: • Off-the-highway operation; • Trailer towing; • Snow plow operation; • Prolonged operation with heavy loading, especially in hot weather. If the transmission is disassembled for any NOTE: reason, the fluid and filter should be changed, and the bands adjusted (if equipped). Special Additives The manufacturer recommends against the addition of any additives to the transmission. Exception to this policy is the use of special dyes to aid in detecting fluid leaks. The use of transmission sealers should be avoided, since they may adversely affect seals. Automatic Transmission (Diesel Engine Only) Selection Of Lubricant Refer to Fluids, Lubricants and Genuine Parts for the correct lubricant type. It is important that the transmis- sion fluid be maintained at the prescribed level using the recommended fluid. MAINTAINING YOUR VEHICLE 441 CAUTION! Using a transmission fluid other than the manufac- turers recommended fluid may cause deterioration in transmission shift quality and/or torque converter shudder. Using a transmission fluid other than the manufacturers recommended fluid will result in serious damage to the transmission. Refer to Fluids, Lubricants and Genuine Parts for correct fluid type. Fluid Level Check – AS68RC Transmission Check the fluid level while the transmission is at normal operating temperature 167° F (76° C). This occurs after at least 15 mi (25 km) of driving. At normal operating temperature the fluid cannot be held comfortably be- tween the fingertips. 442 MAINTAINING YOUR VEHICLE Procedure For Checking Fluid Level To properly check the automatic transmission fluid level, the following procedure must be used: 1. The vehicle must be on level ground. 2. Operate the engine at idle speed for a minimum of 60 seconds and normal operating temperature. 3. Fully apply parking brake and press the brake pedal. 4. Place the gear selector momentarily in each gear position ending with the lever in P (Park). Make sure the engine is running at idle speed. 5. Remove the dipstick and determine if the fluid is hot or cold. Hot fluid is approximately 160° F - 175° F (70° C – 82° C), Which is the normal operating temperature after the vehicle has been driven at least 15 miles. The fluid can not be comfortably held between the finger tips. Cold is when fluid temperature is between 70° F – 85° F (20° C – 30° C). 6. Wipe the dipstick clean and reinsert it until seated. 7. Remove the dipstick again and note the fluid level on both sides. The fluid level should be between the HOT (upper) reference holes on the dipstick at normal operat- ing temperature. Verify that a solid coating of oil is seen on both sides of the dipstick. If the fluid is low, add Mopar威 A68SRC™ Automatic Transmission Fluid as required into the dipstick tube. Do not overfill. Never use any ATF other than Mopar威 AS68RC™ Automatic Transmission Fluid. After adding any quantity of oil through the dipstick tube, wait a minimum of two (2) minutes for the oil to fully drain into the transmission before rechecking the fluid level. If it is necessary to check the transmission below NOTE: the operating temperature, the fluid level should be between the two cold (lower) holes on the dipstick with the fluid at approximately 70° F – 85° F (20° C – 30° C). If the fluid level is correctly established at room tempera- ture, it should be between the HOT (upper) reference holes when the transmission reaches 160° F - 175° F (70° C – 82° C). Remember it is best to check the level at the normal operating temperature. CAUTION! Be aware that if the fluid temperature is below 50° F (10° C), it may not register on the dipstick. Do not add fluid until the temperature is elevated enough to produce an accurate reading. Never use any ATF other than Mopar威 AS68RC™ Automatic Transmis- sion Fluid. 8. Check for leaks. Release the Parking Brake. NOTE: To prevent dirt and water from entering the transmission after checking or replenishing fluid, make MAINTAINING YOUR VEHICLE 443 certain that the dipstick cap is properly reseated. It is normal for the dipstick cap to spring back slightly from its fully seated positions, as long as its seal remains engaged in the dipstick tube. Automatic Transmission Fluid and Filter Change To obtain best performance and long life for automatic transmissions, the manufacturer recommends that they be given regular maintenance service by an Authorized Dodge Dealer or Service Center. It is important that the transmission be adjusted periodically, the fluid main- tained at the correct level, and that it be drained and refilled as specified. It is important that proper lubricant is used in the transmission. Refer to Fluids, Lubricants and Genuine Parts for the correct lubricant type. A band adjustment and filter change should be made at the time of the oil change. 444 MAINTAINING YOUR VEHICLE The fluid and filter(s) should be changed and the bands adjusted (if equipped) as specified in the Maintenance Schedule (Section 8). Vehicles equipped with gas engines having severe usage should follow Maintenance Sched- ule “B” of the Maintenance Schedule (Section 8). Severe usage consists of: • Off-the-highway operation; • Trailer towing; • Snow plow operation; • Prolonged operation with heavy loading, especially in hot weather. If the transmission is disassembled for any NOTE: reason, the fluid and filter should be changed, and the bands adjusted (if equipped). Special Additives The manufacturer recommends against the addition of any additives to the transmission. Exception to this policy is the use of special dyes to aid in detecting fluid leaks. The use of transmission sealers should be avoided, since they may adversely affect seals. Front and rear Wheel Bearings Front Wheel Bearings Front wheel bearings for all Dodge Ram Trucks are sealed-for-life. They do not require greasing or seal replacement. these bearings will “purge” excess grease and the bearing will look slightly wet. This is normal. Periodic inspection for excess play is recommended. In some instances, Rear Wheel Bearings — Manufacturer’s Axles These bearings are normally considered permanently lubricated. Cleaning and repacking is required only when axle shafts are removed or in case of extreme water or dust contamination. Noise Control System Required Maintenance & Warranty For 3500 Two-Wheel Drive and Four-Wheel Drive mod- els over 10,000 lbs. (4 535 kg) Gross Vehicle Weight Rating. All vehicles built over 10,000 lbs. (4 535 kg) Gross Vehicle Weight Rating and manufactured for sale and use in the United States are required to comply with the Federal Government’s Exterior Noise Regulations. These vehicles can be identified by the Noise Emission Control Label located in the operator’s compartment. MAINTAINING YOUR VEHICLE 445 Required Maintenance For Noise Control Systems The following maintenance services must be performed every 6 months or 6,000 miles (9 600 km) whichever comes first, to assure proper operation of the noise control systems. inspection and service should be performed anytime a malfunction is observed In addition, 446 MAINTAINING YOUR VEHICLE or suspected. Proper maintenance of the entire vehicle will help the effectiveness of the noise control systems. Exhaust System Inspect the entire exhaust system for leaks and damaged parts. Devices such as hangers, clamps, and U-bolts should be tight and in good condition. Damaged compo- nents, burned or blown out mufflers, burned or rusted out exhaust pipes should be replaced according to the procedures and specifications outlined in the appropriate service manual. Air Cleaner Assembly Inspect air cleaner housing for proper assembly and fit. Make certain that the air cleaner is properly positioned and that the cover is tight. Check all hoses leading to the air cleaner for tightness. The air filter element must also be clean and serviced according to the instructions out- lined in the Maintenance Schedule Section of this manual. Tampering With Noise Control System Prohibited Federal law prohibits the following acts or the causing thereof: (1) the removal or rendering inoperative by any person, other than for purposes of maintenance, repair, or replacement, of any device or element of design incorpo- rated into any new vehicle for the purpose of noise control prior to its sale or delivery to the ultimate purchaser or while it is in use, or (2) the use of the vehicle after such device or element of design has been removed or rendered inoperative by any person. Among those acts presumed to constitute tampering are the acts listed below. • AIR CLEANER − Removal of the air cleaner. − Removal of the air cleaner filter element from the air cleaner housing. − Removal of the air ducting. • EXHAUST SYSTEM − Removal or rendering inoperative exhaust system • ENGINE COOLING SYSTEM − Removal or rendering inoperative the fan clutch. − Removal of the fan shroud. components including the muffler or tailpipe. MAINTAINING YOUR VEHICLE 447 Noise Emission Warranty The manufacturer warrants that this vehicle as manufac- tured by the manufacturer, was designed, built and equipped to conform at the time it left the manufacturer’s control with all applicable U.S. EPA Noise Control Regu- lations. This warranty covers this vehicle as designed, built and equipped by the manufacturer, and is not limited to any particular part, component or system of the vehicle manufactured by the manufacturer. Defects in design, assembly or in any part, component or system of the vehicle as manufactured by the manufacturer, which, at the time it left the manufacturer’s control, caused noise emissions to exceed Federal standards, are covered by this warranty for the life of the vehicle. 448 MAINTAINING YOUR VEHICLE 6,000 9 600 36,000 58 000 30,000 48 000 24,000 36 000 18,000 29 000 12,000 19 000 Noise Systems Maintenance Chart and Service Log Maintenance Log and Service Chart (Gas Engines) Insert Month, Day, Year under column mileage closest to the mileage at which service was performed. 42,000 MILES KILOME- 67 000 TERS Exhaust system- inspect Air cleaner assembly- inspect ODOM- ETER READING PER- FORMED BY PER- FORMED AT 48,000 77 000 MAINTAINING YOUR VEHICLE 449 60,000 96 000 54,000 87 000 72,000 116 000 84,000 135 000 78,000 126 000 66,000 106 000 Noise Systems Maintenance Chart and Service Log Maintenance Log and Service Chart (Gas Engines) Insert Month, Day, Year under column mileage closest to the mileage at which service was performed. 90,000 MILES KILOME- 145 000 TERS Exhaust system- inspect Air cleaner assembly- inspect ODOM- ETER READING

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2007 Dodge RAM Chassis Cab Owners Manual