GM Service Manual Online
For 1990-2009 cars only

Normal Vehicle Use

This schedule is for vehicles that:

    • Carry passengers and cargo within recommended limits. These limits are listed on the vehicle's Tire Loading Information Label located on the driver's door.
    • Are driven on reasonable road surfaces within legal driving limits.
    • Use the recommended fuel.

Maintenance Schedule Intervals

The services shown in this schedule up to 166 000 km (100,000 mi) should be performed after 166 000 km (100,000 mi) at the same intervals. The services shown at 240 000 km (150,000 mi) should be performed at the same interval after 240 000 km (150,000 mi).

Maintenance Schedule Engine Oil Change Intervals

This vehicle is equipped with a GM Oil Life System ™. The GM Oil Life System ™ will show when to change the engine oil and oil filter. This will usually occur between 5 000 km (3,000 mi) and 16 000 km (10,000 mi) since the last oil change. Under severe conditions, the indicator may come on before 5 000 km (3,000 mi).

Never drive the vehicle more than 16 000 km (10,000 mi) or 12 months without an oil and oil filter change. The system will not detect dust in the oil. If the vehicle is driven in a dusty area, be sure to change the oil and oil filter every 5 000 km (3,000 mi) or sooner if the CHANGE OIL SOON indicator comes on. Reset the Oil Life System when the oil and filter have been changed.

This vehicle is equipped with an engine oil life monitor. For description and resetting information, refer to GM Oil Life System Resetting .

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 good time to check the brakes is during tire rotation. Refer to Front Disc Brake Mounting and Hardware Inspection and Rear Disc Brake Mounting and Hardware Inspection in the brakes section.

Scheduled Maintenance

12 500 km (7,500 mi)

    • Check rear/front axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking.
    • Rotate tires. See Tire Inspection and Rotation in the Index for proper rotation pattern and additional information.

25 000 km (15,000 mi)

    • Check rear/front axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking.
    • 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 32°C (90°F) or higher
       - In hilly or mountainous terrain
       - When doing frequent trailer towing
       - Uses such as found in taxi, police or delivery service
       - If you do not use your vehicle under any of these conditions, change the fluid and filter at 166 000 km (100,000 mi).
    • Rotate tires. See Tire Inspection and Rotation in the Index for proper rotation pattern and additional information.

37 500 km (22,500 mi)

    • Check rear/front axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking.
    • Rotate tires. See Tire Inspection and Rotation in the Index for proper rotation pattern and additional information.

50 000 km (30,000 mi)

    • Check rear/front axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking.
    • 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 32°C (90°F) or higher
       - In hilly or mountainous terrain
       - When doing frequent trailer towing
       - Uses such as found in taxi, police or delivery service
       - If you do not use your vehicle under any of these conditions, change the fluid and filter at 166 000 km (100,000 mi).
    • Rotate tires.
    • Replace fuel filter. This is an emission control service  †.

62 500 km (37,500 mi)

    • Check rear/front axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking.
    • Rotate tires.

75 000 km (45,000 mi)

    • Check rear/front axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking.
    • 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 32°C (90°F) or higher
       - In hilly or mountainous terrain
       - When doing frequent trailer towing
       - Uses such as found in taxi, police or delivery service
       - If you do not use your vehicle under any of these conditions, change the fluid and filter at 166 000 km (100,000 mi).
    • Rotate tires.

83 000 km (50,000 mi)

    • Change automatic transmission fluid and filter if the vehicle is mainly driven under one or more of these conditions:
    • Automatic Transfer Case Only: Change transfer case fluid (Except Bravada).
       - In heavy city traffic where the outside temperature regularly reaches 32°C (90°F) or higher
       - In hilly or mountainous terrain
       - When doing frequent trailer towing
       - Uses such as found in taxi, police or delivery service
       - If you do not use your vehicle under any of these conditions, change the fluid and filter at 166 000 km (100,000 mi).
    • Automatic Transfer Case Only: Change transfer case fluid.

87 500 km (52,500 mi)

    • Check rear/front axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking.
    • Rotate tires.

100 000 km (60,000 mi)

    • Check rear/front axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking.
    • 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 32°C (90°F) or higher
       - In hilly or mountainous terrain
       - When doing frequent trailer towing
       - Uses such as found in taxi, police or delivery service
       - If you do not use your vehicle under any of these conditions, change the fluid and filter at 166 000 km (100,000 mi).
    • Rotate tires.
    • Inspect engine accessory drive belt.
        This is an emission control service  †.
    • Replace fuel filter.
        This is an emission control service  †.

112 500 km (67,500 mi)

    • Check rear/front axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking.
    • Rotate tires.

125 000 km (75,000 mi)

    • Check rear/front axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking.
    • 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 32°C (90°F) or higher
       - In hilly or mountainous terrain
       - When doing frequent trailer towing
       - Uses such as found in taxi, police or delivery service
       - If you do not use your vehicle under any of these conditions, change the fluid and filter at 166 000 km (100,000 mi).
    • Rotate tires.

137 500 km (82,500 mi)

    • Check rear/front axle fluid level and add fluid as needed. check constant velocity joints and axle seals for leaking.
    • Rotate tires.

150 000 km (90,000 mi)

    • Check rear/front axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking.
    • 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 32°C (90°F) or higher
       - In hilly or mountainous terrain
       - When doing frequent trailer towing
       - Uses such as found in taxi, police or delivery service
       - If you do not use your vehicle under any of these conditions, change the fluid and filter at 166 000 km (100,000 mi).
    • Replace fuel filter. This is an emission control service  †.
    • Rotate tires.

162 500 km (97,500 mi)

    • Check rear/front axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking.
    • Rotate tires.

166 000 km (100,000 mi)

    • Replace spark plugs.
        This is an emission control service  †.
    • Change automatic transmission fluid and filter if the vehicle is mainly driven under one or more of these condition:
       - In heavy city traffic where the outside temperature regularly reaches 32°C (90°F) or higher
       - In hilly or mountainous terrain
       - When doing frequent trailer towing
       - Uses such as found in taxi, police or delivery service
    • If you haven't used your vehicle under severe service conditions listed previously and therefore haven't changed your automatic transmission fluid, change both the fluid and filter.
    • Except Bravada: Automatic Transfer Case Only: Change transfer case fluid.
    • Inspect Positive Crankcase Ventilation (PCV) valve. This is an emission control service  †.

240 000 km (150,000 mi)

Drain, flush and refill cooling system (or every 60 months, whichever occurs first). See Engine Coolant in the Index for what to use. Inspect hoses. Clean radiator, condenser, pressure cap and neck. Pressure test the cooling system and pressure cap. This is an emission control service  †.