GM Service Manual Online
For 1990-2009 cars only

GM replacement brake lining material is recommended for this vehicle to maintain the balance between front and rear brake performance. GM replacement brake parts have been carefully selected to provide the proper brake balance for the purposes of stopping distance and control over the full range of operating conditions. Installation of front or rear brake lining material with performance characteristics different from the recommended GM replacement parts can change the intended brake balance of this vehicle.

Removal Procedure

  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the tire and wheel assembly. Refer to Wheel Removal in Tires and Wheels.
  3. Mark the relationship of the brake drum to the axle.
  4. Remove the brake drum.

  5. Object Number: 183  Size: SH
  6. Remove the brake shoe return springs.

  7. Object Number: 185  Size: SH
  8. Remove the brake shoe guide.

  9. Object Number: 203  Size: SH
  10. Remove the hold down springs.
  11. Remove the hold down pins.
  12. Remove the actuator lever and the actuator lever pivot.
  13. Remove the actuator lever and the lever pivot.
  14. Remove the lever return spring.

  15. Object Number: 204  Size: SH
  16. Remove the parking brake strut and the strut spring.
  17. Remove the parking brake lever.

  18. Object Number: 207  Size: SH
  19. Remove the brake shoes.
  20. Remove the adjusting screw assembly and the adjusting screw spring from the brake shoes.
  21. Inspect all parts for discoloration due to heat or stress. Replace parts as needed.
  22. Replace all worn parts.
  23. Inspect the wheel cylinder for signs of leakage. If there are signs of leakage, refer to Wheel Cylinder Replacement or Wheel Cylinder Overhaul .
  24. Inspect the brake drum for scoring and machining tolerance. Refer to Brake Drum Refinishing .

Installation Procedure


    Object Number: 231  Size: SH
  1. Lubricate the brake shoe backing plate, the adjusting screw threads, socket and socket face with a thin coat of white lithium grease or equivalent.
  2. Important: Do not interchange the right and left adjusting screws.


    Object Number: 207  Size: SH
  3. Install the adjusting screw assembly and the adjusting screw spring on the brake shoes. The coils of the adjusting screw spring must not touch the adjusting screw.
  4. Install the brake shoes on the backing plate.

  5. Object Number: 204  Size: SH
  6. Install the parking brake lever.
  7. Install the strut spring on the parking brake strut.
  8. Install the parking brake strut.

  9. Object Number: 203  Size: SH
  10. Install the actuator lever and the lever pivot.
  11. Install the actuator lever return spring.
  12. Install the hold down pins.
  13. Install the hold down springs.

  14. Object Number: 185  Size: SH
  15. Install the brake shoe guide.

  16. Object Number: 183  Size: SH
  17. Install the brake shoe return springs.
  18. Install the brake drum.
  19. Align the marks made during disassembly.

  20. Install the tire and wheel assembly. Refer to Wheel Installation in Tires and Wheels.
  21. Adjust the brakes. Refer to Drum Brake Adjustment .
  22. Lower the vehicle.