GM Service Manual Online
For 1990-2009 cars only

Replace wheels if any of the following conditions exist:

    • Replace if the wheel is bent.
    • Replace if the wheel is dented.
    • Replace if the wheel has excessive lateral runout.
    • Replace if the wheel has excessive radial runout.
    • Replace if the wheel has elongated bolt holes.
    • Replace if the wheel nuts will not stay tight.

Wheels with runout greater than specified may cause objectionable vibrations.

Important: When replacing a wheel, transfer the Tire Pressure Monitoring (TPM) system sensor to the new wheel and reinstall the wheel to its original position. Wheel sizes are as follows: seventeen inch (17 in) x (8.5 in) cast aluminum alloy wheels are standard on the front. Eighteen inch (18 in) x (9.5 in) cast alumnium alloy wheels are standard on the rear.

Replacement wheels must be equivalent to the original equipment wheels for the following:

    • Equivalent in load capacity.
    • Equivalent in diameter.
    • Equivalent in rim width.
    • Equivalent in offset.
    • Equivalent in mounting configuration.

Use of any other wheel size or wheel type may affect any or all of the following:

    • May affect the wheel and hub bearing life.
    • May affect the brake cooling.
    • May affect the speedometer/odometer calibration.
    • May affect the vehicle ground clearance.
    • May affect the tire clearance to the body and chassis.

Aluminum wheels have the code, part number, and manufacturer's ID cast into the backside.