GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2005 🢒 Optra 🢒 Brakes 🢒 Disc Brakes 🢒 Rear Disc Brake Backing Plate Replacement

Removal Procedure

    Object Number: 1290042 Size: SH
  1. Remove the caliper mounting bracket.

    2. Object Number: 1290045 Size: SH
  2. Remove the rotor detent screw.
  3. Remove the rotor.

    4. Object Number: 1290046 Size: SH
  4. Remove the rear ABS sensor connector.

    5. Object Number: 1290047 Size: SH
  5. Remove the hub bolts and hub.

    6. Object Number: 1290048 Size: SH
  6. Remove the upper return spring, lower return spring and adjuster assembly.

    7. Object Number: 1290049 Size: SH
  7. Remove the retaining spring plate, spring and retaining spring pin.
  8. Remove the parking brake shoe.

    9. Object Number: 1290051 Size: SH
  9. Remove the parking brake cable pin and cable from the backing plate.

Installation Procedure

    Object Number: 1290051 Size: SH
  1. Install the parking brake cable to the backing plate and lock the pin.

    2. Object Number: 1290049 Size: SH
  2. Install the retaining spring pin, parking brake shoe, retaining spring and retaining spring plate.

    3. Object Number: 1290048 Size: SH
  3. Install the adjuster assembly, lower return spring and upper return spring.

    4. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1290047 Size: SH
  4. Install the hub with bolts.

    5. Tighten
    Tighten the hub bolts to 65 N·m (48 lb ft).


    Object Number: 1290046 Size: SH
  5. Connect the ABS sensor connector.

    6. Object Number: 1290045 Size: SH
  6. Install the rotor with a detent screw.

    7. Tighten
    Tighten the rotor detent screw to 4 N·m (35 lb in).


    Object Number: 1290042 Size: SH
  7. Install the caliper mounting bracket with bolts.

    8. Tighten
    Tighten the caliper bracket mounting bolts to 56 N·m (41 lb ft).

  8. Install the wheel.