GM Service Manual Online
For 1990-2009 cars only

Replace the wheel if any of the following conditions exist:

    â€¢ The wheel exhibits excessive runout.
    â€¢ The wheel is bent.
    â€¢ The wheel mounting surface is bent.
    â€¢ The wheel is cracked.
    â€¢ The wheel is severely rusted.
    â€¢ The wheel is severely corroded.

Replace the wheel, the wheel hub studs and the wheel nuts, if any of the following conditions exist:

    â€¢ The wheel has elongated wheel stud holes.
    â€¢ The wheel nuts loosen repeatedly.

Caution: Refer to General Repair Instructions in the Preface section.

Notice: Refer to General Repair Instructions in the Preface section.

Important: 

   â€¢ Replacement wheels must be equivalent to the original equipment wheels in the following ways:
      - The load capacity.
      - The wheel diameter.
      - The rim width.
      - The wheel offset.
      - The mounting configuration.
   â€¢ A wheel of the incorrect size or type may affect the following conditions:
      - Wheel and hub-bearing life.
      - Brake cooling.
      - Speedometer/odometer calibration.
      - Vehicle ground clearance.
      - Tire clearance to the body and the chassis.

Steel wheel identification is stamped into the wheel rim.

Aluminium wheel identification is cast into the inboard side of the wheel.