GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Refer to Brake Dust Caution in the Preface section.

  1. Remove the brake drum. Refer to Brake Drum Replacement .

  2. Object Number: 1245727  Size: SH
  3. Remove the lower return spring.

  4. Object Number: 1245728  Size: SH
  5. Remove the upper end of the connecting link from the leading shoe to relieve tension on the upper return spring.
  6. Remove the connecting link spring.
  7. Remove the connecting link and the adjusting lever.
  8. Remove the upper return spring and the adjuster.

  9. Object Number: 1245730  Size: SH
  10. Remove the trailing shoe hold-down spring and cap.
  11. Remove the trailing shoe hold-down pin.
  12. Remove the trailing shoe.
  13. Remove the leading shoe hold-down spring and cap.
  14. Remove the leading shoe hold-down pin.
  15. Remove the leading shoe.

Inspection Procedure

    Caution: Refer to Safety Glasses Caution in the Preface section.


    Object Number: 1245733  Size: SH
  1. Measure the minimum brake lining thickness. Refer to Brake Shoe Inspection .
  2. Clean the adjuster assembly and apply grease.
  3. Inspect the threads of the adjuster assembly for smooth rotation.
  4. Inspect the brake components for damage or wear. Replace any damaged or worn components.

Installation Procedure

  1. Verify the park brake cable is properly routed.
  2. Attach the park brake cable to the trailing shoe lever.

  3. Object Number: 1245730  Size: SH
  4. Install the trailing shoe with the hold-down spring, the cap, and the pin.

  5. Object Number: 1245727  Size: SH

    Important: Do not overstretch the lower return spring.

  6. Install the lower return spring to the trailing shoe.
  7. Position the leading shoe and the adjuster assembly against the backing plate.
  8. Install the lower return spring to the leading shoe.
  9. Install the adjuster assembly.
  10. Turn the adjuster in as far as possible.
  11. Install the leading shoe with the hold-down spring, the cap, and the pin.
  12. Install the adjusting lever to the leading shoe.
  13. Install the connecting link to the leading shoe.
  14. Install the connecting link spring.
  15. Important: Do not overstretch the upper return spring.

  16. Install the upper return spring from the leading shoe to the connecting link.
  17. Important: The nut must not lock firmly at the end of the adjustment assembly.

  18. Ensure the adjuster assembly nut is drawn all the way to the stop.
  19. Adjust the rear brakes. Refer to Drum Brake Adjustment .
  20. Install the brake drum. Refer to Brake Drum Replacement .
  21. Adjust the park brake. Refer to Park Brake Adjustment .