2005 Chevrolet Corvette Owners Manual

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Speed Rating: An alphanumeric code assigned to a tire indicating the maximum speed at which a tire can operate. Traction: The friction between the tire and the road surface. The amount of grip provided. Tread: The portion of a tire that comes into contact with the road. Treadwear Indicators: Narrow bands, sometimes called “wear bars,” that show across the tread of a tire when only 1/16 inch (1.6 mm) of tread remains. See When It Is Time for New Tires on page 5-63. UTQGS (Uniform Tire Quality Grading Standards): A tire information system that provides consumers with ratings for a tire’s traction, temperature, and treadwear. Ratings are determined by tire manufacturers using government testing procedures. The ratings are molded into the sidewall of the tire. See Uniform Tire Quality Grading on page 5-65. Vehicle Capacity Weight: The number of designated seating positions multiplied by 150 lbs (68 kg) plus the rated cargo load. See Loading Your Vehicle on page 4-32. 5-56 Vehicle Maximum Load on the Tire: Load on an individual tire due to curb weight, accessory weight, occupant weight, and cargo weight. Vehicle Placard: A label permanently attached to a vehicle showing the vehicle’s capacity weight and the original equipment tire size and recommended inﬂation pressure. See “Tire and Loading Information Label” under Loading Your Vehicle on page 4-32. Extended Mobility Tires Your vehicle, when new, had Goodyear Extended Mobility Tires (EMT). There’s no spare tire, no tire changing equipment and no place to store a tire in the vehicle. Extended Mobility Tires perform so well without any air that a Tire Pressure Monitor (TPM) is used to alert you if a tire has lost pressure. If a tire goes ﬂat, you won’t need to stop on the side of the road to change the tire. You can just keep on driving. The shorter the distance you drive and the slower the speed, the greater the chance that the tire will not have to be replaced. If you drive on a deﬂated EMT for 25 miles (80 km) or less and at speeds of 55 mph (90 km/h) or less, there is a good chance that the tire can be repaired. The tire can operate effectively with no air pressure for up to 100 miles (320 km) at speeds up to 55 mph (90 km/h), but the tire would then have to be replaced. When a tire is ﬁlled with air, it provides a cushion between the road and the wheel. Because you won’t have this cushion when driving on a deﬂated tire, try to avoid potholes that could damage your wheel and require replacement of it. Some road hazards can damage a tire beyond repair. This damage could occur even before you’ve driven on the tire in a deﬂated condition. When a tire has been damaged, or if you’ve driven any distance on a deﬂated EMT, check with an authorized Goodyear EMT Service Center to determine whether the tire can be repaired or should be replaced. To maintain your vehicle’s extended mobility feature, all replacement tires must be Extended Mobility Tires. As soon as possible, contact the nearest authorized GM or Goodyear EMT servicing facility for inspection and repair or replacement. To locate the nearest GM or Goodyear EMT servicing facility, call Roadside Assistance. For phone numbers and Roadside Assistance details see Roadside Assistance Program on page 7-6. You may also contact Goodyear, for the nearest authorized EMT servicing facility, by calling 1-800-789-9878. {CAUTION: Extended mobility tires are constructed differently than other tires and could explode during improper service. You or others could be injured or killed if you attempt to repair, replace, dismount, or mount a extended mobility tire. Let only an authorized EMT Service Center repair, replace, dismount and mount extended mobility tires. The valve stems on your extended mobility tires have sensors that are part of the Tire Pressure Monitor (TPM). See Tire Pressure Monitor System on page 5-61. The TPM sensors contain batteries which are designed to last for 10 years under normal driving conditions. See your dealer if you ever need to have a wheel replaced, or if the sensors ever need replacement. Notice: Using liquid sealants can damage the tire valves and tire pressure monitor sensors in your extended mobility tires. This damage would not be covered by warranty. Don’t use liquid sealants in your extended mobility tires. 5-57 A Tire and Loading Information label is attached to the vehicle’s center pillar, below the driver’s door latch. This label lists your vehicle’s original equipment tires and shows the correct inﬂation pressures for your tires when they are cold. The recommended cold tire inﬂation pressure, shown on the label, is the minimum amount of air pressure needed to support your vehicle’s maximum load carrying capacity. For additional information regarding how much weight your vehicle can carry, and an example of the tire and loading information label, see Loading Your Vehicle on page 4-32. How you load your vehicle affects vehicle handling and ride comfort, never load your vehicle with more weight than it was designed to carry. When to Check Check your tires once a month or more. Inﬂation - Tire Pressure Tires need the correct amount of air pressure to operate effectively. Notice: Do not let anyone tell you that under-inﬂation or over-inﬂation is all right. It is not. If your tires do not have enough air (under-inﬂation), you can get the following: Too much ﬂexing Too much heat Tire overloading (cid:127) Premature or irregular wear (cid:127) Poor handling (cid:127) Reduced fuel economy If your tires have too much air (over-inﬂation), you can get the following: (cid:127) Unusual wear (cid:127) Poor handling (cid:127) Rough ride (cid:127) Needless damage from road hazards 5-58 (cid:127) (cid:127) (cid:127) Tire Pressure Monitor System Your vehicle has a Tire Pressure Monitor (TPM) that sends tire pressure information to the Driver Information Center (DIC). Using the DIC control buttons, the driver is able to check tire pressure levels in all four tires. See Tire Pressure Monitor System on page 5-61 and DIC Controls and Displays on page 3-48 for additional information. How to Check Use a good quality pocket-type gage to check tire pressure. You cannot tell if your tires are properly inﬂated simply by looking at them. Radial tires may look properly inﬂated even when they’re under-inﬂated. Check the tire’s inﬂation pressure when the tires are cold. Cold means your vehicle has been sitting for at least three hours or driven no more than 1 mile (1.6 km). Remove the valve cap from the tire valve stem. Press the tire gage ﬁrmly onto the valve to get a pressure measurement. If the cold tire inﬂation pressure matches the recommended pressure on the Tire and Loading Information label, no further adjustment is necessary. If the inﬂation pressure is low, add air until you reach the recommended amount. If you overﬁll the tire, release air by pushing on the metal stem in the center of the tire valve. Re-check the tire pressure with the tire gage. Be sure to put the valve caps back on the valve stems. They help prevent leaks by keeping out dirt and moisture. 5-59 High Speed Operation {CAUTION: Driving at high speeds, 100 mph (160 km/h) or higher, puts an additional strain on tires. Sustained high-speed driving, causes excessive heat build up and can cause sudden tire failure. You could have a crash and you or others could be killed. Some high-speed rated tires require inﬂation pressure adjustment for high speed operation. When speed limits and road conditions are such, that a vehicle can be driven at high speeds, make sure the tires are rated for high speed operation, in excellent condition and set to the correct cold tire inﬂation pressure for the vehicle load. If you will be driving your vehicle at speeds of 175 mph (282 km/h) or higher, where it is legal, set the cold inﬂation pressure to the maximum inﬂation pressure shown on the tire sidewall, or 38 psi (265 kPa), whichever is lower. See the example following. When you end this high-speed driving, return the tires to the cold inﬂation pressure shown on the Tire and Loading Information label. See Loading Your Vehicle on page 4-32. Example: You will ﬁnd the maximum load and inﬂation pressure molded on the tire’s sidewall, in small letters, near the rim ﬂange. It will read something like this: Maximum load 690 kg (1521 lbs) 300 kPa (44 psi) Max. Press. For this example, you would set the inﬂation pressure for high-speed driving at 38 psi (265 kPa). Racing or other competitive driving may affect the warranty coverage of your vehicle. See your warranty booklet for more information. 5-60 Tire Pressure Monitor System The Tire Pressure Monitor (TPM) System on your vehicle, uses radio and sensor technology to check tire pressure levels. Sensors, mounted on each tire and wheel assembly transmit tire pressure readings to a receiver located in the vehicle. The TPM sensors transmit tire pressure readings once every 60 seconds while the vehicle is being driven and once every 60 minutes when the vehicle is stationary for more than 15 minutes. Using the Driver Information Center (DIC), tire pressure levels can be viewed by the driver. The TPM system also uses the DIC to warn the driver when air pressure, in one or more tires, falls below 24 psi (164 kPa) or is above 42 psi (290 kPa). For additional information and details about the DIC operation and displays see DIC Controls and Displays on page 3-48 and DIC Warnings and Messages on page 3-53. A low tire pressure warning light also appears on the instrument panel cluster when a low tire condition exists. The low tire pressure warning light will be shown each time the engine is started and stay on until the low tire condition is corrected. When the tire pressure monitoring system warning light is lit, one or more of your tires is signiﬁcantly under-inﬂated. You should stop and check your tires as soon as possible, and inﬂate them to the proper pressure as indicated on the vehicle’s tire information placard. 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. Each tire, including the spare, should be checked monthly when cold and set to the recommended inﬂation pressure as speciﬁed in the vehicle placard and owner’s manual. The Tire and Loading Information Label (tire information placard) is on the rear edge of the driver’s door, below the door latch. This label shows the size of your vehicle’s original tires and the correct inﬂation pressure for your vehicle’s tires when they are cold. See Loading Your Vehicle on page 4-32. 5-61 Your vehicle’s TPM system can alert you about a low or high tire pressure condition but it does not replace normal tire maintenance. See Inﬂation - Tire Pressure on page 5-58 and When It Is Time for New Tires on page 5-63. Each TPM sensor has a unique identiﬁcation code that is matched to one of the four tire positions on your vehicle. The tire and wheel assembly positions are, left front (LF); right front (RF); right rear (RR) and left rear (LR). Any time you rotate your vehicle’s tires or replace one or more TPM sensors, the identiﬁcation codes will need to be matched to the new tire and wheel position. The TPM matching process is performed in a speciﬁc sequence and time limit. A special tool is also required. See your dealer for service. The SERVICE TIRE MONITOR message is displayed when the TPM system is malfunctioning. For example, one or more TPM sensors may be inoperable or missing. Also, the active handlling system will be affected, see Active Handling System on page 4-10. See your dealer for service. The TPM system operates on a radio frequency subject to Federal Communications Commission (FCC) Rules and with Industry and Science Canada. This device complies with Part 15 of the FCC Rules and with RSS-210 of Industry and Science Canada. Operation is subject to the 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 of the device. Changes or modiﬁcations to this system by other than an authorized service facility could void authorization to use this equipment. 5-62 Tire Rotation The tires on your vehicle are different sizes front to rear. Due to this, your tires should not be rotated. Each tire and wheel should be used only in the position it is in. When It Is Time for New Tires One way to tell when it’s time for new tires is to check the treadwear indicators, which will appear when your tires have only 1/16 inch (1.6 mm) or less of tread remaining. You need a new tire if any of the following statements are true: (cid:127) You can see the indicators at three or more places around the tire. (cid:127) You can see cord or fabric showing through the tire’s rubber. The tread or sidewall is cracked, cut or snagged deep enough to show cord or fabric. The tire has a bump, bulge or split. The tire has a puncture, cut or other damage that can’t be repaired well because of the size or location of the damage. 5-63 (cid:127) (cid:127) (cid:127) Buying New Tires To ﬁnd out what kind and size of tires you need, look at the Tire and Loading Information label. For information about this label and where to ﬁnd it, see Loading Your Vehicle on page 4-32. The tires installed on your vehicle when it was new had a Tire Performance Criteria Speciﬁcation (TPC Spec) number on each tire’s sidewall. When you get new tires, GM recommends that you get tires with that same TPC Spec number. That way your vehicle will continue to have tires that are designed to give proper endurance, handling, speed rating, load range, traction, ride, tire pressure monitoring system performance and other things during normal service on your vehicle. If your tires have an all-season tread design, the TPC number will be followed by an “MS” (for mud and snow). Whenever you replace your tires with those not having a TPC Spec number, make sure they are the same size, load range, speed rating and construction type (bias, bias-belted or radial) as your original tires. If you replace your vehicle’s tires with those not having a TPC Spec number, the tire pressure monitoring system may give an inaccurate low-pressure warning. Non-TPC Spec tires may give a low-pressure warning that is higher or lower than the proper warning level you would get with TPC Spec numbered tires. 5-64 {CAUTION: Mixing tires could cause you to lose control while driving. If you mix tires of different sizes (other than those originally installed on your vehicle) or types (radial and bias-belted tires), the vehicle may not handle properly, and you could have a crash. Using tires of different sizes (other than those originally installed on your vehicle) may also cause damage to your vehicle. Be sure to use the correct size and type tires on all four wheels. {CAUTION: If you use bias-ply tires on your vehicle, the wheel rim ﬂanges could develop cracks after many miles of driving. A tire and/or wheel could fail suddenly, causing a crash. Use only radial-ply tires with the wheels on your vehicle. Uniform Tire Quality Grading 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 The following information relates to the system developed by the United States National Highway Traffic Safety Administration, which grades tires by treadwear, traction and temperature performance. (This applies only to vehicles sold in the United States.) The grades are molded on the sidewalls of most passenger car tires. The Uniform Tire Quality Grading system does not apply to deep tread, winter-type snow tires, space-saver or temporary use spare tires, tires with nominal rim diameters of 10 to 12 inches (25 to 30 cm), or to some limited-production tires. While the tires available on General Motors passenger cars and light trucks may vary with respect to these grades, they must also conform to federal safety requirements and additional General Motors Tire Performance Criteria (TPC) standards. 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 a half (1.5) 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. Those 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. 5-65 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. 109. 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. Wheel Alignment and Tire Balance The wheels on your vehicle were aligned and balanced carefully at the factory to give you the longest tire life and best overall performance. If you notice unusual tire wear or your vehicle pulling one way or the other, the alignment may need to be reset. If you notice your vehicle vibrating when driving on a smooth road, your wheels may need to be rebalanced. Wheel Replacement Replace any wheel that is bent, cracked, or badly rusted or corroded. If wheel nuts keep coming loose, the wheel, wheel bolts and wheel nuts should be replaced. If the wheel leaks air, replace it (except some aluminum wheels, which can sometimes be repaired). See your dealer if any of these conditions exist. Your dealer will know the kind of wheel you need. Each new wheel should have the same load-carrying capacity, diameter, width, offset and be mounted the same way as the one it replaces. If you need to replace any of your wheels, wheel bolts or wheel nuts, replace them only with new GM original equipment parts. This way, you will be sure to have the right wheel, wheel bolts and wheel nuts for your vehicle. 5-66 {CAUTION: {CAUTION: Using the wrong replacement wheels, wheel bolts or wheel nuts on your vehicle can be dangerous. It could affect the braking and handling of your vehicle, make your tires lose air and make you lose control. You could have a collision in which you or others could be injured. Always use the correct wheel, wheel bolts and wheel nuts for replacement. Notice: The wrong wheel can also cause problems with bearing life, brake cooling, speedometer or odometer calibration, headlamp aim, bumper height, vehicle ground clearance and tire clearance to the body and chassis. Rust or dirt on a wheel, or on the parts to which it is fastened, can make wheel nuts become loose after a time.The wheel could come off and cause a crash. When you change a wheel, remove any rust or dirt from places where the wheel attaches to the vehicle. In an emergency, you can use a cloth or a paper towel to do this; but be sure to use a scraper or wire brush later, if you need to, to get all the rust or dirt off. 5-67 {CAUTION: {CAUTION: Never use oil or grease on studs or the threads of the wheel nuts. If you do, the wheel nuts might come loose and the wheel could fall off, causing a crash. Incorrect wheel nuts or improperly tightened wheel nuts can cause the wheel to become loose and even come off. This could lead to a crash. Be sure to use the correct wheel nuts. If you have to replace them, be sure to get new GM original equipment wheel nuts. Improperly tightened wheel nuts can lead Notice: to brake pulsation and rotor damage. To avoid expensive brake repairs, evenly tighten the wheel nuts in the proper sequence and to the proper torque speciﬁcation. 5-68 Used Replacement Wheels Tire Chains {CAUTION: {CAUTION: Putting a used wheel on your vehicle is dangerous. You can’t know how it’s been used or how far it’s been driven. It could fail suddenly and cause a crash. If you have to replace a wheel, use a new GM original equipment wheel. Do not use tire chains. There is not enough clearance. Tire chains used on a vehicle without the proper amount of clearance can cause damage to the brakes, suspension or other vehicle parts. The area damaged by the tire chains could cause you to lose control of your vehicle and you or others may be injured in a crash. Use another type of traction device only if its manufacturer recommends it for use on your vehicle and tire size combination and road conditions. Follow that manufacturer’s instructions. To help avoid damage to your vehicle, drive slowly, re-adjust or remove the device if it is contacting your vehicle, and do not spin your wheels. If you do ﬁnd traction devices that will ﬁt, install them on the rear tires. 5-69 Lifting Your Vehicle {CAUTION: Lifting a vehicle can cause an injury. The vehicle can slip off the jack and roll over you or other people. You and they could be badly injured. Find a level place to lift your vehicle. To help prevent the vehicle from moving: 1. Set the parking brake ﬁrmly. 2. Put an automatic transmission shift lever in PARK (P), or shift a manual transmission to FIRST (1) or REVERSE (R). 3. Turn off the engine. To be even more certain the vehicle won’t move, you can put blocks in front of and behind the wheels. {CAUTION: Getting under a vehicle when it is jacked up is dangerous. If the vehicle slips off the jack, you could be badly injured or killed. Never get under a vehicle when it is supported only by a jack. {CAUTION: Raising your vehicle with the jack improperly positioned can damage the vehicle and even make the vehicle fall. To help avoid personal injury and vehicle damage, be sure to place the jack in the proper location before raising the vehicle. If you ever use a jack to lift your vehicle, follow the instructions that came with the jack, and be sure to use the correct lifting points to avoid damaging your vehicle. 5-70 Notice: Lifting your vehicle improperly can damage your vehicle and result in costly repairs not covered by your warranty. To lift your vehicle properly, follow the advice in this part. To help prevent vehicle damage: (cid:127) Be sure to place a block or pad between the jack and the vehicle. (cid:127) Make sure the jack you’re using spans at least two crossmember ribs. Lift only in the areas shown in the following pictures. For additional information, see your dealer and the Chevrolet Corvette service manual. Lifting From the Front The front lifting points can be accessed from either side of your vehicle, behind the front tires. 5-71 (cid:127) 1. Locate the front lifting points (A), according to the illustration shown. 3. Lift the vehicle with the jack, making sure the jack spans at least two of the crossmember ribs (B). 2. Be sure to place a block or pad between the jack and the vehicle. 5-72 Lifting From the Rear The rear lifting points can be accessed from the rear of the vehicle, on either the driver’s or passenger’s side. 1. Locate the rear lifting points (A), according to the illustration shown. 2. Be sure to place a block or pad between the jack and the vehicle. 5-73 It’s unusual for a tire to “blow out” while you’re driving, especially if you maintain your tires properly. See Tires on page 5-51. If air goes out of a tire, it’s much more likely to leak out slowly. Your vehicle has Extended Mobility Tires (EMT), so you will not need to stop on the side of the road to change a ﬂat tire. EMT tires can operate effectively with no air pressure. If you drive on a deﬂated EMT for 25 miles (80 km) or less and at speeds of 55 mph (90 km/h) or less, there is a good chance that the tire can be repaired. Contact the nearest authorized Chevrolet or Goodyear EMT servicing facility, as soon as possible, to have the ﬂat tire inspected and repaired or replaced. For more information, see Extended Mobility Tires on page 5-56. {CAUTION: Special tools and procedures are required to service an Extended Mobility Tire (EMT). If these special tools and procedures are not used you or others could be injured and your vehicle could be damaged. Always be sure the proper tools and procedures, as described in the service manual, are used. To order a service manual, see Service Publications Ordering Information on page 7-11. 3. Lift the vehicle with the jack, making sure the jack spans at least two of the crossmember ribs (B). For more information, see Doing Your Own Service Work on page 5-4. If a Tire Goes Flat Your Corvette has no spare tire, no tire changing equipment and no place to store a tire. 5-74 Appearance Care Cleaning products can be hazardous. Some are toxic. Other cleaning products can burst into ﬂames if a match is struck near them or if they get on a hot part of the vehicle. Some are dangerous if their fumes are inhaled in an enclosed space. When anything from a container is used to clean the vehicle, be sure to follow the manufacturer’s warnings and instructions. Always open the doors or windows of the vehicle when cleaning the inside. Never use these to clean the vehicle: (cid:127) Gasoline (cid:127) Benzene (cid:127) Naphtha (cid:127) Carbon Tetrachloride (cid:127) Acetone (cid:127) Paint Thinner Turpentine Lacquer Thinner (cid:127) Nail Polish Remover They can all be hazardous — some more than others — and they can all damage the vehicle, too. Do not use any of these products unless this manual says you can. In many uses, these will damage the vehicle: (cid:127) Alcohol Laundry Soap (cid:127) Bleach (cid:127) Reducing Agents Fabric/Carpet Use a vacuum cleaner often to get rid of dust and loose dirt. Wipe vinyl, leather, plastic, and painted surfaces with a clean, damp cloth. GM-approved cleaning products can be obtained from your dealer. Here are some cleaning tips: (cid:127) Always read the instructions on the cleaner label. (cid:127) Clean up stains as soon as you can before they set. (cid:127) Carefully scrape off any excess stain. (cid:127) Use a clean cloth or sponge, and change to a clean area often. A soft brush may be used if stains are stubborn. To avoid forming a ring on fabric after spot cleaning, clean the entire area immediately or it will set. 5-75 (cid:127) (cid:127) (cid:127) (cid:127) Most stains can be removed with club soda water. To clean, use the following instructions: 1. For liquids: blot with a clean, soft, white cloth. For solids: remove as much as possible and then vacuum or brush. 2. Apply club soda water to a clean, soft, white cloth. Do not over-saturate; the cloth should not drip water. 3. Clean the entire area. Avoid getting the fabric too wet. 4. Start cleaning from the seams into the stain to avoid a ring effect. 5. Continue cleaning, using a clean area of the cloth each time it becomes soiled. 6. When the stain is removed, blot the cleaned area with another dry, clean, soft, white cloth. Using Cleaner on Fabric 1. First, try the cleaner on an area of the fabric that is not easily seen to make sure the cleaner does not affect the color of the fabric. 2. For liquids: blot with a clean, soft, white cloth. For solids: remove as much as possible and then vacuum or brush. 3. Spray a small amount of the cleaner onto a clean soft, white, cloth. Do not apply spray directly to the fabric. 4. Start cleaning from the seams into the stain to avoid a ring effect. 5. Continue cleaning, using a clean area of the cloth each time it becomes soiled. 6. When the stain is removed, blot the cleaned area with another dry, clean, soft, white cloth. 7. If the cleaner leaves a ring effect, follow up with the club soda water instructions given earlier in this section. 5-76 Special Fabric Cleaning Problems Stains caused by such things as catsup, black coffee, egg, fruit, fruit juice, milk, soft drinks, vomit, urine, and blood can be removed using the club soda water instructions given earlier in this section. If an odor lingers after cleaning vomit or urine, treat the area with a water and baking soda solution: 1 teaspoon (5 ml) of baking soda to 1 cup (250 ml) of lukewarm water. Let dry. Stains caused by oil and grease can be cleaned with an approved GM cleaner and a clean, white cloth. 1. Carefully scrape off excess stain. 2. Clean with cool water and allow to dry completely. 3. If a stain remains, follow the “Using Cleaner on Fabric” instructions described earlier. Coated Moldings These moldings are around the hatch opening in the rear area. (cid:127) When lightly soiled, wipe with a sponge or soft lint-free cloth dampened with water. (cid:127) When heavily soiled, use warm soapy water. Leather Use a soft cloth with lukewarm water and a mild soap or saddle soap and wipe dry with a soft cloth. Then, let the leather dry naturally. Do not use heat to dry. For stubborn stains, use a leather cleaner. (cid:127) Never use oils, varnishes, solvent-based or abrasive cleaners, furniture polish, or shoe polish on leather. (cid:127) Soiled or stained leather should be cleaned immediately. If dirt is allowed to work into the ﬁnish, it can harm the leather. Instrument Panel Use only mild soap and water to clean the top surfaces of the instrument panel. Sprays containing silicones or waxes may cause annoying reﬂections in the windshield and even make it difficult to see through the windshield under certain conditions. Interior Plastic Components Use only a mild soap and water solution on a soft cloth or sponge. Commercial cleaners may affect the surface ﬁnish. 5-77 (cid:127) Cargo Cover and Convenience Net Wash with warm water and mild detergent, rinse with cold water and tumble dry on low. Do not use chlorine bleach. Glass Surfaces Glass should be cleaned often. GM Glass Cleaner or a liquid household glass cleaner will remove normal tobacco smoke and dust ﬁlms on interior glass. See Vehicle Care/Appearance Materials on page 5-84. Notice: glass surfaces on your vehicle, you could scratch the glass and/or cause damage to the rear window defogger and the integrated radio antenna. When cleaning the glass on your vehicle, use only a soft cloth and glass cleaner. If you use abrasive cleaners when cleaning Care of Safety Belts Keep belts clean and dry. {CAUTION: Do not bleach or dye safety belts. If you do, it may severely weaken them. In a crash, they might not be able to provide adequate protection. Clean safety belts only with mild soap and lukewarm water. Weatherstrips Silicone grease on weatherstrips will make them last longer, seal better, and not stick or squeak. Apply silicone grease with a clean cloth. During very cold, damp weather frequent application may be required. See Recommended Fluids and Lubricants on page 6-11. 5-78 Washing Your Vehicle The paint ﬁnish on the vehicle provides beauty, depth of color, gloss retention, and durability. The best way to preserve the vehicle’s ﬁnish is to keep it clean by washing it often with lukewarm or cold water. Do not wash the vehicle in the direct rays of the sun. Use a car washing soap. Do not use strong soaps or chemical detergents. Be sure to rinse the vehicle well, removing all soap residue completely. GM-approved cleaning products can be obtained from your dealer. See Vehicle Care/Appearance Materials on page 5-84. Do not use cleaning agents that are petroleum based, or that contain acid or abrasives. All cleaning agents should be ﬂushed promptly and not allowed to dry on the surface, or they could stain. Dry the ﬁnish with a soft, clean chamois or an all-cotton towel to avoid surface scratches and water spotting. If you drive your vehicle through an Notice: automatic car wash that does not have enough clearance for the wide rear tires and wheels, you could damage your vehicle. Verify with the manager of the car wash that your vehicle will ﬁt before entering the car wash or use a touchless car wash. High pressure car washes may cause water to enter the vehicle. If you are cleaning your vehicle with the hood open, take care not to spray water directly into either end of the air cleaner/ﬁlter housing as this could damage your vehicle’s engine. See Engine Air Cleaner/Filter on page 5-19 for more information. Cleaning Exterior Lamps/Lenses Use only lukewarm or cold water, a soft cloth and a car washing soap to clean exterior lamps and lenses. Follow instructions under Washing Your Vehicle on page 5-79. 5-79 Finish Care Occasional waxing or mild polishing of the vehicle by hand may be necessary to remove residue from the paint ﬁnish. GM-approved cleaning products can be obtained from your dealer. See Vehicle Care/Appearance Materials on page 5-84. The vehicle has a “basecoat/clearcoat” paint ﬁnish. The clearcoat gives more depth and gloss to the colored basecoat. Always use waxes and polishes that are non-abrasive and made for a basecoat/clearcoat paint ﬁnish. Notice: Machine compounding or aggressive polishing on a basecoat/clearcoat paint ﬁnish may damage it. Use only non-abrasive waxes and polishes that are made for a basecoat/clearcoat paint ﬁnish on your vehicle. Foreign materials such as calcium chloride and other salts, ice melting agents, road oil and tar, tree sap, bird droppings, chemicals from industrial chimneys, etc., can damage the vehicle’s ﬁnish if they remain on painted surfaces. Wash the vehicle as soon as possible. If necessary, use non-abrasive cleaners that are marked safe for painted surfaces to remove foreign matter. Exterior painted surfaces are subject to aging, weather, and chemical fallout that can take their toll over a period of years. To help keep the paint ﬁnish looking new, keep the vehicle in a garage or covered whenever possible. Windshield and Wiper Blades If the windshield is not clear after using the windshield washer, or if the wiper blade chatters when running, wax, sap, or other material may be on the blade or windshield. Clean the outside of the windshield with a glass cleaning liquid or powder and water solution. The windshield is clean if beads do not form when it is rinsed with water. Grime from the windshield will stick to the wiper blades and affect their performance. Clean the blade by wiping vigorously with a cloth soaked in full-strength windshield washer solvent. Then rinse the blade with water. Check the wiper blades and clean them as necessary; replace blades that look worn. 5-80 If you use a glass treatment and/or Removable Roof Panel Notice: conditioner that contains ethyl alcohol or ethyl sulfate on the roof panel, you could damage the panel. The repairs would not be covered by your warranty. Only use a GM-approved glass cleaner on the roof panel. Special care is necessary when cleaning, removing, and/or storing the roof panel. Flush with water to remove dust and dirt, then dry the panel. (cid:127) Clean a transparent roof panel with GM Glass Cleaner. Leave the cleaner on the panel for one minute, then wipe the panel with a soft, lint-free cloth. Do not use glass cleaner on a painted roof panel. (cid:127) Do not use abrasive cleaning materials on either type of panel. If water drops are frequently allowed to dry on the roof panel, impurities in the water will adhere to the top. These impurities may etch or mar the ﬁnish. When the panel gets wet, dry it off. Convertible Top The vehicle’s convertible top should be cleaned often. However, high pressure car washes may cause water to enter your vehicle. When you hand wash the top, do it in partial shade. Use a mild soap, lukewarm water and a soft sponge. A chamois or cloth may leave lint on the top, and a brush can chafe the threads in the top fabric. Do not use detergents, harsh cleaners, solvents or bleaching agents. Wet the entire vehicle and wash the top evenly to avoid spots or rings. Let the soap remain on the fabric for a few minutes. When the top is really dirty, use a mild foam-type cleaner. Thoroughly rinse the entire vehicle, then let the top dry in direct sunlight. To protect the convertible top: (cid:127) After you wash the vehicle, make sure the top is completely dry before you lower it. (cid:127) Do not get any cleaner on the vehicle’s painted ﬁnish; it could leave streaks. If you decide to go through an automatic car wash, ask the manager if the equipment could damage your top. 5-81 (cid:127) (cid:127) If you use strong soaps, chemicals, Aluminum Wheels Notice: abrasive polishes, cleaners, brushes, or cleaners that contain acid on aluminum or chrome-plated wheels, you could damage the surface of the wheel(s). The repairs would not be covered by your warranty. Use only GM-approved cleaners on aluminum or chrome-plated wheels. Keep the wheels clean using a soft clean cloth with mild soap and water. Rinse with clean water. After rinsing thoroughly, dry with a soft clean towel. A wax may then be applied. Notice: Using chrome polish on aluminum wheels could damage the wheels. The repairs would not be covered by your warranty. Use chrome polish on chrome wheels only. The surface of these wheels is similar to the painted surface of the vehicle. Do not use strong soaps, chemicals, abrasive polishes, abrasive cleaners, cleaners with acid, or abrasive cleaning brushes on them because the surface could be damaged. Do not use chrome polish on aluminum wheels. If you drive your vehicle through an Notice: automatic car wash that has silicone carbide tire cleaning brushes, you could damage the aluminum or chrome-plated wheels. The repairs would not be covered by your warranty. Never drive a vehicle equipped with aluminum or chrome-plated wheels through an automatic car wash that uses silicone carbide tire cleaning brushes. Do not take the vehicle through an automatic car wash that has silicone carbide tire cleaning brushes. These brushes can also damage the surface of these wheels. Tires To clean the tires, use a stiff brush with tire cleaner. Notice: Using petroleum-based tire dressing products on your vehicle may damage the paint ﬁnish and/or tires. When applying a tire dressing, always wipe off any overspray from all painted surfaces on your vehicle. 5-82 Finish Damage Any stone chips, fractures or deep scratches in the ﬁnish should be repaired right away. Minor chips and scratches can be repaired with touch-up materials avaliable from your dealer or other service outlets. Larger areas of ﬁnish damage can be corrected in your dealer’s body and paint shop. If you use acidic or corrosive cleaning Fiberglass Springs Notice: products, engine degreasers or aluminum cleaning agents on ﬁberglass springs, you may damage the springs. The repairs would not be covered by your warranty. Use only approved cleaners when cleaning your vehicle’s ﬁberglass springs. Underbody Maintenance Chemicals used for ice and snow removal and dust control can collect on the underbody. If these are not removed, corrosion and rust can develop on the underbody parts such as fuel lines, frame, ﬂoor pan, and exhaust system even though they have corrosion protection. At least every spring, ﬂush these materials from the underbody with plain water. Clean any areas where mud and debris can collect. Dirt packed in close areas of the frame should be loosened before being ﬂushed. Your GM dealer or an underbody car washing system can do this for you. Chemical Paint Spotting Some weather and atmospheric conditions can create a chemical fallout. Airborne pollutants can fall upon and attack painted surfaces on the vehicle. This damage can take two forms: blotchy, ring-shaped discolorations, and small, irregular dark spots etched into the paint surface. Although no defect in the paint job causes this, GM will repair, at no charge to the owner, the surfaces of new vehicles damaged by this fallout condition within 12 months or 12,000 miles (20 000 km) of purchase, whichever occurs ﬁrst. 5-83 Description Usage Cleaner Wax Wash Wax Concentrate Foaming Tire Shine Low Gloss Removes light scratches and protects ﬁnish. Cleans, shines, and protects in one step. No wiping necessary. Medium foaming shampoo. Cleans and lightly waxes. Biodegradable and phosphate free. Quickly removes spots and stains from carpets, vinyl, and cloth upholstery. Odorless spray odor eliminator used on fabrics, vinyl, leather and carpet. See your General Motors parts department for these products. See Recommended Fluids and Lubricants on page 6-11. Odor Eliminator Spot Lifter Vehicle Care/Appearance Materials See your GM dealer for more information on purchasing the following products. Description Polishing Cloth Wax-Treated Tar and Road Oil Remover Chrome Cleaner and Polish White Sidewall Tire Cleaner Vinyl Cleaner Glass Cleaner Chrome and Wire Wheel Cleaner Finish Enhancer Swirl Remover Polish Usage Interior and exterior polishing cloth. Removes tar, road oil, and asphalt. Use on chrome or stainless steel. Removes soil and black marks from whitewalls. Cleans vinyl tops, upholstery, and convertible tops. Removes dirt, grime, smoke and ﬁngerprints. Removes dirt and grime from chrome wheels and wire wheel covers. Removes dust, ﬁngerprints, and surface contaminants. Spray on and wipe off. Removes swirl marks, ﬁne scratches, and other light surface contamination. 5-84 Vehicle Identiﬁcation Vehicle Identiﬁcation Number (VIN) This is the legal identiﬁer for your vehicle. It appears on a plate in the front corner of the instrument panel, on the driver’s side. You can see it if you look through the windshield from outside your vehicle. The VIN also appears on the Vehicle Certiﬁcation and Service Parts labels and the certiﬁcates of title and registration. Engine Identiﬁcation The eighth character in your VIN is the engine code. This code will help you identify your engine, speciﬁcations and replacement parts. Service Parts Identiﬁcation Label You will ﬁnd this label on the inside of the glove box. It is very helpful if you ever need to order parts. On this label, you will ﬁnd the following: (cid:127) VIN (cid:127) Model designation (cid:127) Paint information (cid:127) Production options and special equipment Be sure that this label is not removed from the vehicle. 5-85 Electrical System Add-On Electrical Equipment Notice: Don’t add anything electrical to your vehicle unless you check with your dealer ﬁrst. Some electrical equipment can damage your vehicle and the damage wouldn’t be covered by your warranty. Some add-on electrical equipment can keep other components from working as they should. Your vehicle has an air bag system. Before attempting to add anything electrical to your vehicle, see Servicing Your Airbag-Equipped Vehicle on page 1-51. Headlamp Wiring The headlamp wiring is protected by fuses. An electrical overload will cause the lamps to remain off. If this happens, have your headlamp wiring checked right away. Windshield Wiper Fuses The windshield wiper motor is protected by a fuse and an internal circuit breaker. If the motor overheats due to heavy snow, etc., the wiper will stop until the motor cools. If the overload is caused by some electrical problem and not snow, etc., be sure to get it ﬁxed. Power Windows and Other Power Options Circuit breakers protect the power seats, power windows, and other power accessories. When the current load is too heavy, the circuit breaker opens and closes, protecting the circuit until the problem is ﬁxed or goes away. 5-86 Fuses and Circuit Breakers The wiring circuits in your vehicle are protected from short circuits by a combination of J-Case fuses, mini-fuses and circuit breakers. This greatly reduces the chance of ﬁres caused by electrical problems. Look at the silver-colored band inside the fuse. If the band is broken or melted, replace the fuse. Be sure you replace a bad fuse with a new one of the identical size and rating. If you ever have a problem on the road and do not have a spare fuse, you can borrow one that has the same amperage. Just pick some feature of your vehicle that you can get along without – like the radio or cigarette lighter – and use its fuse, if it is the correct amperage. Replace it as soon as you can. 5-87 Instrument Panel Fuse Block The instrument panel fuse block is located on the passenger’s side of the vehicle, under the instrument panel and under the toe-board. Remove the carpet and toe-board covering to access the fuse block by pulling at the top of each corner of the panel. Then turn the fuse block door knob counterclockwise and pull the door to access the fuses. You can remove fuses using the fuse puller. 5-88 Fuses SPARE FUSE HOLDER SPARE FUSE HOLDER SPARE FUSE HOLDER SPARE FUSE HOLDER SPARE ONSTAR Usage Spare Fuse Holder Spare Fuse Holder Spare Fuse Holder Spare Fuse Holder Spare OnStar® DRIV DR SW Driver Door Switch TELE SW/MEM Telescope Switch, Memory Seat Module Ignition Switch, Intrusion Sensor SEAT MOD IGN SW/INTR SENS REVERSE LAMP REVERSE LAMPS Blank STOP LAMP BTSI SOL/COL LOCK BLANK Reverse Lamp Reverse Lamps Not Used Stop Lamp Brake Transmission Shift Interlock, Column Lock Not Used Fuses RADIO/S- BAND/VICS Usage Radio, S-Band, VICS FOG/ALDL/TOP REAR SW Rear Fog Lamp, Assembly Line Diagnostic Link Connector, Convertible Top Switch GMLAN DEVICES GMLAN Devices ISRVM/ HVAC Electric Inside Rearview Mirror, CRUISE SW Cruise Control Switch TONNEAU Heating Ventilation, Air Conditioning Tonneau Release RELSE RUN/CRANK Run/Crank Relay HTD SEAT/ WPR RELAYS Heated Seat, Wiper Relays ECM Engine Control Module SDM PSIR SW AIRBAG SDM/PSIR Switch (Airbag) CLSTR/HUD Cluster, Heads-Up Display HVAC/PWR SND SPARE DR LCK CTSY/LAMP BLANK Heating, Ventilation/Air Conditioning, Power Sounder Spare Door Locks Courtesy Lamp Not Used 5-89 Fuses PWR WNDWS/FUEL RELSE Usage Power Windows, Fuel Door Release TRUNK RELSE Trunk Release PWR LUMBAR Power Lumbar BLANK Not Used PWR SEATS MEMORY SEATS BLANK BLANK Power Seats, Memory Seats Not Used Not Used WPR/WASHER Windshield Wiper/Washer BLANK Not Used Fuses TONNEAU RELSE Usage Tonneau Release TRUNK RELSE Trunk Release REAR/ FOG Rear Fog Lamps FUEL DR RELSE BLANK BLANK Fuel Door Release Not Used Not Used Fuses CIG LTR DRVR HTD SEAT Usage Cigarette Lighter Driver’s Heated Seat WPR DWELL Wiper Dwell BLANK AUX PWR PASS HTD SEAT BLANK Not Used Auxiliary Power Passenger’s Heated Seat Not Used 5-90 Engine Compartment Fuse Block There is one fuse block in the engine compartment located on the passenger’s side of the vehicle. See Engine Compartment Overview on page 5-12 for more information on location. 5-91 Fuse 10 11 12 13 14 15 16 17 Usage Transmission Control Module/Transmission Horn, Alternator Sense Anti-lock Brakes/Real Time Damping Wiper Stoplamps/Back-Up Lamps 02 Sensor Battery Main 5 Park Lamps Powertrain Relay Input/Electronic Throttle Control Manual Transmission Solenoids Engine Control Module/Transmission Control Module/Easy Key Module Odd Numbered Fuel Injectors Real Time Damping Canister Purge Solenoid, Mass Air Flow Sensor Air Conditioner Compressor Even Numbered Fuel Injectors Windshield Washer Fuse 18 19 20 21 22 23 24 Usage Headlamp Washer Right Low-Beam Fuel Pump Left Low-Beam Front Fog Lamp Right High-Beam Left High-Beam J-Style Fuses Usage 25 26 27 28 29 30 31 32 33 Cooling Fan Battery Main 3 Anti-Lock Brake System Heating/Ventilation/Air Conditioning Blower Battery Main 2 Starter Audio Ampliﬁer Blank Battery Main 1 5-92 Micro-Relays Usage Spare Fuses Usage 34 35 36 37 38 39 46 55 Horn Air Conditioning Compressor Windshield Washer Park, Position Lamps Front Fog Lamp High Beam Headlamp Washer Fuel Pump Mini-Relays Usage 40 41 42 43 44 45 47 Rear Defog Windshield Wiper High/Low Windshield Wiper Run/Accessory Crank Powertrain Ignition 1 Windshield Wiper On/Off Low Beam 48 49 50 51 52 53 54 Spare Spare Spare Spare Spare Spare Fuse Puller Usage Diodes § Diode 1 § Wiper § Diode 2 5-93 Capacities and Speciﬁcations The following approximate capacities are given in English and metric conversions. See Recommended Fluids and Lubricants on page 6-11 for more information. Application Capacities English 1.4 lbs Air Conditioning Refrigerant R134a Automatic Transmission Cooling System Engine Oil with Filter Fuel Tank Manual Transmission (Overhaul) Rear Axle 140 Y Wheel Nut Torque All capacities are approximate. When adding, be sure to ﬁll to the appropriate level, as recommended in this manual. Recheck ﬂuid level after ﬁlling 11.4 quarts 12.6 quarts 5.5 quarts 18.0 gallons 4.1 quarts 1.8 quarts 100 ft lb Metric 0.64 kg 10.8 L 11.9 L 5.2 L 68.0 L 3.8 L 1.7 L Engine VIN Code Transmission Spark Plug Gap Firing Order Engine Speciﬁcations 6.0L V8 (LS2) Automatic Manual Engine Data 0.040 inch (1.016 mm) 1–8–7–2–6–5–4–3 Engine Horsepower Torque Displacement Compression Ratio 6.0L V8 (LS2) 400 @ 6000 rpm 400 ft lb @ 4400 rpm 6.0 L 10.9:1 5-94 Section 6 Maintenance Schedule Maintenance Schedule ......................................6-2 Introduction ...................................................6-2 Maintenance Requirements ..............................6-2 Your Vehicle and the Environment ....................6-2 Using Your Maintenance Schedule ....................6-3 Scheduled Maintenance ...................................6-4 Additional Required Services ............................6-6 Maintenance Footnotes ...................................6-7 Owner Checks and Services ............................6-8 At Each Fuel Fill ............................................6-8 At Least Once a Month ...................................6-9 At Least Once a Year .....................................6-9 Recommended Fluids and Lubricants ...............6-11 Normal Maintenance Replacement Parts ..........6-13 Engine Drive Belt Routing ..............................6-14 Maintenance Record .....................................6-15 6-1 Maintenance Schedule Introduction Important: Keep engine oil at the proper level and change as recommended. Have you purchased the GM Protection Plan? The Plan supplements your new vehicle warranties. See your Warranty and Owner Assistance booklet or your dealer for details. Maintenance Requirements Notice: Maintenance intervals, checks, inspections, replacement parts and recommended ﬂuids and lubricants as prescribed in this manual are necessary to keep your vehicle in good working condition. Any damage caused by failure to follow scheduled maintenance may not be covered by warranty. Your Vehicle and the Environment Proper vehicle maintenance not only helps to keep your vehicle in good working condition, but also helps the environment. All recommended maintenance is important. Improper vehicle maintenance can even affect the quality of the air we breathe. Improper ﬂuid levels or the wrong tire inﬂation can increase the level of emissions from your vehicle. To help protect our environment, and to keep your vehicle in good condition, be sure to maintain your vehicle properly. 6-2 Using Your Maintenance Schedule We at General Motors want to help you keep your vehicle in good working condition. But we do not know exactly how you will drive it. You may drive very short distances only a few times a week. Or you may drive long distances all the time in very hot, dusty weather. You may use your vehicle in making deliveries. Or you may drive it to work, to do errands or in many other ways. Because of all the different ways people use their vehicles, maintenance needs vary. You may need more frequent checks and replacements. So please read the following and note how you drive. If you have any questions on how to keep your vehicle in good condition, see your GM Goodwrench® dealer. This schedule is for vehicles that: carry passengers and cargo within recommended limits. You will ﬁnd these limits on the tire and loading information label. See Loading Your Vehicle on page 4-32. are driven on reasonable road surfaces within legal driving limits. use the recommended fuel. See Gasoline Octane on page 5-5. The services in Scheduled Maintenance on page 6-4 should be performed when indicated. See Additional Required Services on page 6-6 and Maintenance Footnotes on page 6-7 for further information. {CAUTION: Performing maintenance work on a vehicle can be dangerous. In trying to do some jobs, you can be seriously injured. Do your own maintenance work only if you have the required know-how and the proper tools and equipment for the job. If you have any doubt, see your GM Goodwrench® dealer to have a qualiﬁed technician do the work. Some maintenance services can be complex. So, unless you are technically qualiﬁed and have the necessary equipment, you should have your GM Goodwrench® dealer do these jobs. When you go to your GM Goodwrench® dealer for your service needs, you will know that GM-trained and supported service technicians will perform the work using genuine GM parts. If you want to purchase service information, see Service Publications Ordering Information on page 7-11. 6-3 (cid:127) (cid:127) (cid:127) Owner Checks and Services on page 6-8 tells you what should be checked, when to check it and what you can easily do to help keep your vehicle in good condition. The proper replacement parts, ﬂuids and lubricants to use are listed in Recommended Fluids and Lubricants on page 6-11 and Normal Maintenance Replacement Parts on page 6-13. When your vehicle is serviced, make sure these are used. All parts should be replaced and all necessary repairs done before you or anyone else drives the vehicle. We recommend the use of genuine GM parts. Scheduled Maintenance When the CHANGE OIL SOON message comes on, it means that service is required for your vehicle. Have your vehicle serviced as soon as possible within the next 600 miles (1 000 km). It is possible that, if you are driving under the best conditions, the engine oil life system may not indicate that vehicle service is necessary for over a year. However, your engine oil and ﬁlter must be changed at least once a year and at this time the system must be reset. Your GM Goodwrench® dealer has GM-trained service technicians who will perform this work using genuine GM parts and reset the system. 6-4 If the engine oil life system is ever reset accidentally, you must service your vehicle within 3,000 miles (5 000 km) since your last service. Remember to reset the oil life system whenever the oil is changed. See Engine Oil Life System on page 5-18 for information on the Engine Oil Life System and resetting the system. When the CHANGE OIL SOON message appears, certain services, checks and inspections are required. Required services are described in the following for “Maintenance I” and “Maintenance II.” Generally, it is recommended that your ﬁrst service be Maintenance I, your second service be Maintenance II and that you alternate Maintenance I and Maintenance II thereafter. However, in some cases, Maintenance II may be required more often. Maintenance I — Use Maintenance I if the message comes on within 10 months since the vehicle was purchased or Maintenance II was performed. Maintenance II — Use Maintenance II if the previous service performed was Maintenance I. Always use Maintenance II whenever the message comes on 10 months or more since the last service or if the message has not come on at all for one year. Scheduled Maintenance Service Maintenance I Maintenance II Change engine oil and ﬁlter.See Engine Oil on page 5-14. Reset oil life system. See Engine Oil Life System on page 5-18. An Emission Control Service. Visually check for any leaks or damage. See footnote (g). Inspect engine air cleaner ﬁlter. If necessary, replace ﬁlter. See Engine Air Cleaner/Filter on page 5-19. An Emission Control Service. See footnotes † and (k). Check tire inﬂation pressures and tire wear. See Tires on page 5-51. Inspect brake system. See footnote (a). Check engine coolant and windshield washer ﬂuid levels and add ﬂuid as needed. Perform any needed additional services. See “Additional Required Services” in this section. Inspect suspension and steering components. See footnote (b). Inspect engine cooling system. See footnote (c). Inspect wiper blades. See footnote (d). Inspect restraint system components. See footnote (e). Lubricate body components. See footnote (f). Replace passenger compartment air ﬁlter. See footnote (j). • • • • • • • • • • • • • • • • • • • 6-5 Additional Required Services The following services should be performed at the ﬁrst maintenance service (I or II) after the indicated miles (kilometers) shown for each item. Service and Miles (Kilometers) Additional Required Services 75,000 25,000 (41 500) 50,000 (83 000) (125 000) 100,000 (166 000) 125,000 (207 500) 150,000 (240 000) Inspect fuel system for damage or leaks. Inspect exhaust system for loose or damaged components. Replace engine air cleaner ﬁlter. See Engine Air Cleaner/Filter on page 5-19. An Emission Control Service. Change automatic transmission ﬂuid and ﬁlter (severe service). See footnote (h). Change automatic transmission ﬂuid and ﬁlter (normal service). Replace spark plugs and inspect spark plug wires. An Emission Control Service. Engine cooling system service (or every 5 years, whichever occurs ﬁrst). An Emission Control Service. See footnote (i). Inspect engine accessory drive belt. An Emission Control Service. 6-6 • • • • • • • • • • • • • • • • • • • • • • Maintenance Footnotes † The U.S. Environmental Protection Agency or the California Air Resources Board has determined that the failure to perform this maintenance item will not nullify the emission warranty or limit recall liability prior to the completion of the vehicle’s useful life. We, however, urge that all recommended maintenance services be performed at the indicated intervals and the maintenance be recorded. (a) Visually inspect brake lines and hoses for proper hook-up, binding, leaks, cracks, chaﬁng, etc. Inspect disc brake pads for wear and rotors for surface condition. Inspect other brake parts, including calipers, parking brake, etc. (b) Visually inspect front and rear suspension and steering system for damaged, loose or missing parts or signs of wear. Inspect power steering lines and hoses for proper hook-up, binding, leaks, cracks, chaﬁng, etc. If you have the Z51 performance package, lubricate the outer ends of both rear toe-links. (c) Visually inspect hoses and have them replaced if they are cracked, swollen or deteriorated. Inspect all pipes, ﬁttings and clamps; replace with genuine GM parts as needed. To help ensure proper operation, a pressure test of the cooling system and pressure cap and cleaning the outside of the radiator and air conditioning condenser is recommended at least once a year. (d) Visually inspect wiper blades for wear or cracking. Replace blade inserts that appear worn or damaged or that streak or miss areas of the windshield. (e) Make sure the safety belt reminder light and all your belts, buckles, latch plates, retractors and anchorages are working properly. Look for any other loose or damaged safety belt system parts. If you see anything that might keep a safety belt system from doing its job, have it repaired. Have any torn or frayed safety belts replaced. Also look for any opened or broken airbag coverings, and have them repaired or replaced. (The airbag system does not need regular maintenance.) (f) Lubricate all key lock cylinders and body door hinges.Lubricate all hinges and latches, including those for the hood, rear compartment, console door and any folding seat hardware. More frequent lubrication may be required when exposed to a corrosive environment. Applying silicone grease on weatherstrips with a clean cloth will make them last longer, seal better and not stick or squeak. (g) A ﬂuid loss in any vehicle system could indicate a problem. Have the system inspected and repaired and the ﬂuid level checked. Add ﬂuid if needed. 6-7 (h) Change automatic transmission ﬂuid and ﬁlter if the vehicle is mainly driven under one or more of these conditions: − In heavy city traffic where the outside temperature regularly reaches 90°F (32°C) or higher. − In hilly or mountainous terrain. − Uses such as high performance operation. (i) Drain, ﬂush and reﬁll cooling system. This service can be complex; you should have your dealer perform this service. See Engine Coolant on page 5-22 for what to use. Inspect hoses. Clean radiator, condenser, pressure cap and ﬁller neck. Pressure test the cooling system and pressure cap. (j) If you drive regularly under dusty conditions, the ﬁlter may require replacement more often. (k) If you drive regularly under dusty conditions, inspect the ﬁlter at each engine oil change. Owner Checks and Services These owner checks and services should be performed at the intervals speciﬁed to help ensure the safety, dependability and emission control performance of your vehicle. Your GM Goodwrench® dealer can assist you with these checks and services. Be sure any necessary repairs are completed at once. Whenever any ﬂuids or lubricants are added to your vehicle, make sure they are the proper ones, as shown in Recommended Fluids and Lubricants on page 6-11. It is important to check your oil regularly At Each Fuel Fill It is important to perform these underhood checks at each fuel ﬁll. Engine Oil Level Check Check the engine oil level and add the proper oil if necessary. See Engine Oil on page 5-14 for further details. Notice: and keep it at the proper level. Failure to keep your engine oil at the proper level can cause damage to your engine not covered by your warranty. Engine Coolant Level Check Check the engine coolant level and add DEX-COOL® coolant mixture if necessary. See Engine Coolant on page 5-22 for further details. Windshield Washer Fluid Level Check Check the windshield washer ﬂuid level in the windshield washer tank and add the proper ﬂuid if necessary. 6-8 At Least Once a Month Tire Inspection and Inﬂation Check Visually inspect your tires for wear and make sure tires are inﬂated to the correct pressures. See Tires on page 5-51 for further details. At Least Once a Year Starter Switch Check {CAUTION: 3. On automatic transmission vehicles, try to start the engine in each gear. The starter should work only in PARK (P) or NEUTRAL (N). If the starter works in any other position, contact your GM Goodwrench® dealer for service. 4. On manual transmission vehicles, put the shift lever in NEUTRAL, push the clutch pedal down halfway, and try to start the engine. The starter should work only when the clutch pedal is pushed down all the way to the ﬂoor. If the starter works when the clutch is not pushed all the way down, contact your GM Goodwrench dealer for service. Automatic Transmission Shift Lock Control System Check When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured. {CAUTION: 1. Before you start, be sure you have enough room around the vehicle. 2. Firmly apply both the parking brake and the regular brake. See Parking Brake on page 2-29 if necessary. Do not use the accelerator pedal, and be ready to turn off the engine immediately if it starts. When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured. 1. Before you start, be sure you have enough room around the vehicle. It should be parked on a level surface. 6-9 2. Firmly apply the parking brake. See Parking Brake on page 2-29 if necessary. Be ready to apply the regular brake immediately if the vehicle begins to move. 3. With the engine off and without applying the regular brake, try to move the shift lever out of PARK (P) with normal effort. If the shift lever moves out of PARK (P), contact your GM Goodwrench® dealer for service. Parking Brake and Automatic Transmission Park (P) Mechanism Check {CAUTION: When you are doing this check, your vehicle could begin to move. You or others could be injured and property could be damaged. Make sure there is room in front of your vehicle in case it begins to roll. Be ready to apply the regular brake at once should the vehicle begin to move. Park on a fairly steep hill, with the vehicle facing downhill. Keeping your foot on the regular brake, set the parking brake. To check the parking brake’s holding ability: With the engine running and transmission in NEUTRAL (N), slowly remove foot pressure from the regular brake pedal. Do this until the vehicle is held by the parking brake only. To check the PARK (P) mechanism’s holding ability: With the engine running, shift to PARK (P). Then release the parking brake followed by the regular brake. Contact your GM Goodwrench® dealer if service is required. Underbody Flushing Service At least every spring, use plain water to ﬂush any corrosive materials from the underbody. Take care to clean thoroughly any areas where mud and other debris can collect. 6-10 (cid:127) (cid:127) Recommended Fluids and Lubricants Fluids and lubricants identiﬁed below by name, part number or speciﬁcation may be obtained from your dealer. Usage Fluid/Lubricant Engine Oil The engine requires a special engine oil meeting GM Standard GM4718M. Oils meeting this standard may be identiﬁed as synthetic, and should also be identiﬁed with the American Petroleum Institute Certiﬁed for Gasoline Engines starburst symbol. However, not all synthetic API oils with the starburst symbol will meet this GM standard. You should look for and use only an oil that meets GM Standard GM4718M. GM Goodwrench® oil meets all the requirements for your vehicle. For the proper viscosity, see Engine Oil on page 5-14. Usage Fluid/Lubricant Engine Coolant 50/50 mixture of clean, drinkable water and use only DEX-COOL® Coolant. See Engine Coolant on page 5-22. Hydraulic Brake System Delco Supreme 11 Brake Fluid or equivalent DOT-3 brake ﬂuid. Windshield Washer Solvent GM Optikleen® Washer Solvent. Hydraulic Clutch Fluid. Use only GM Part No. U.S. 88958860, in Canada 88901244, Super DOT-4 brake ﬂuid. Clutch System Hydraulic Power Steering System GM Power Steering Fluid (GM Part No. U.S. 89021184, in Canada 89021186). Chassis Lubrication (Rear Toe-Link Outer Ends with Z51 Option) Chassis Lubricant (GM Part No. U.S. 12377985, in Canada 88901242) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB. 6-11 Usage Fluid/Lubricant Usage Fluid/Lubricant Hood Latch Assembly, Secondary Latch, Pivots,

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