GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 156753  Size: SH
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the tire and the wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  3. Install the pin into the park brake lever. Refer to Parking Brake Cable Adjuster Enabling in Parking Brake.
  4. Caution: Avoid taking the following actions when you service wheel brake parts:

       • Do not grind brake linings.
       • Do not sand brake linings.
       • Do not clean wheel brake parts with a dry brush or with compressed air.
    Some models or aftermarket brake parts may contain asbestos fibers which can become airborne in dust. Breathing dust with asbestos fibers may cause serious bodily harm. Use a water-dampened cloth in order to remove any dust on brake parts. Equipment is available commercially in order to perform this washing function. These wet methods prevent fibers from becoming airborne.

  5. Remove the rear brake drum. Refer to Drum Brake Adjustment .
  6. Remove the rear brake shoe return springs (7,8).
  7. Remove the hold-down springs (9).
  8. Remove the hold-down pins (15).
  9. Remove the shoe guide (3).
  10. Remove the rear brake shoe actuator (11) and the spring (10).
  11. Remove the rear brake shoe actuator link (6).
  12. Remove the rear parking brake lever strut (4) and spring (2).
  13. Remove the rear brake shoe adjuster spring (13).
  14. Remove the rear brake shoe adjuster (12).
  15. Remove the rear brake shoes (1,14).
  16. Inspect all of the parts for discoloration due to heat or stress. Replace as needed.
  17. Inspect all of the parts for signs of wear. Replace as needed.
  18. Inspect the rear brake cylinder for signs of leakage. If any is found, refer to Wheel Cylinder Replacement .
  19. Inspect the rear brake drum for scoring and machining tolerance. Refer to Drum Brake Component Inspection in Drum Brakes.

Installation Procedure


    Object Number: 156753  Size: SH
  1. Lubricate the rear brake backing plate and the adjusting screw threads with a thin coat of high temperature silicone lubricant.
  2. Install the rear brake shoes (1,14).
  3. Install the rear brake shoe adjuster (12).
  4. Important: Do not interchange the right and left brake shoe adjusting screws.

  5. Install the rear brake shoe adjuster spring (13). The coils of the adjusting screw spring must not touch the adjusting screw.
  6. Install the rear park brake lever strut (4) and spring (2).
  7. Install the rear brake shoe actuator link (6).
  8. Instal the rear brake shoe actuator (11) and spring (10).
  9. Install the shoe guide (3).
  10. Install the hold-down pins (15).
  11. Install the hold-down springs (9).
  12. Install the rear brake shoe return springs (7,8).
  13. Install the rear brake drum to the vehicle. Refer to Brake Drum Replacement .
  14. Remove the pin to the park brake lever. Refer to Parking Brake Cable Adjuster Enabling in Parking Brake.
  15. Install the tire and the wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  16. Adjust the rear brakes. Refer to Drum Brake Adjustment .
  17. Adjust the park brake. Refer to Park Brake Adjustment in Park Brake.
  18. Remove the safety stands. Lower the vehicle.