GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Release the park brake.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  3. Remove the rear tire and wheel assembly from the vehicle. Refer to Tire and Wheel Removal and Installation .
  4. Remove the drum.

  5. Object Number: 239084  Size: SH
  6. If the drum does not remove easily, then complete the following steps:
  7. 5.1. Remove the rear brake adjuster access hole plug.
    5.2. Insert a screwdriver through the hole in the backing plate. Hold the brake shoe adjuster actuator away from the park brake lever strut.
    5.3. Reduce the brake shoe adjustment by turning the park brake lever strut with another screwdriver.
    5.4. Remove the drum.

Installation Procedure

  1. Adjust the drum brakes if necessary. Refer to Drum Brake Adjustment .

  2. Object Number: 390075  Size: SH
  3. Install the drum.
  4. Install the tire and wheel assembly to the vehicle. Refer to Tire and Wheel Removal and Installation .
  5. Lower the vehicle.
  6. Apply the park brake.
  7. Release the park brake.