GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Important: 

       • Mark the relationship of the wheel to the axle flange in order to ensure proper wheel balance upon assembly.
       • Mark the relationship of the brake drum to the axle flange in order to ensure proper wheel balance upon assembly.

  3. Remove the tire and wheel assembly. Refer to Wheel Removal in Tires and Wheels.
  4. Remove the brake drum. If removing the brake drum is difficult, perform the following steps:
  5. • Ensure that the parking brake is released.
    • Back off the parking brake adjustment cable.
    • Use a rubber mallet in order to tap gently on the outer rim of the drum and/or around the inner drum diameter by the spindle. Do not use excessive force, which may deform the drum.

Installation Procedure

  1. Adjust the rear brake assembly. Refer to Drum Brake Adjustment .
  2. Install the brake drum. Align the previous marks.
  3. Install the tire and wheel assembly. Refer to Wheel Installation in Tires and Wheels.
  4. Remove the safety stands. Lower the vehicle.