GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 866751  Size: SH
  1. Disconnect the brake hose at the wheel cylinder.
  2. Disassemble the rear drum brake assembly. Refer to Brake Shoe Replacement .
  3. Remove the bleeder valve and cap.
  4. Remove the wheel cylinder retaining fasteners and remove the cylinder.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 866755  Size: SH
  1. Install the new wheel cylinder onto the backing plate with the fasteners.
  2. Tighten
    Tighten the wheel cylinder-to-backing plate to 10 N·m (89 lb in).

  3. Connect the brake hose with NEW washers onto the wheel cylinder.
  4. Tighten
    Tighten the brake hose-to-wheel cylinder to 49 N·m (36 lb ft).

  5. Install the bleeder valve and cap.
  6. Tighten
    Tighten the rear brake bleeder valve to 7.5 N·m (66 lb in).

  7. Completely assemble the rear drum brake assembly. Refer to Brake Shoe Replacement .
  8. Bleed the brakes. Refer to the appropriate brake bleeding procedure.