GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Important: Do not disconnect the brake hose from the caliper.


    Object Number: 357034  Size: SH
  1. Remove the caliper. Refer to Rear Brake Caliper Replacement .
  2. Notice: Support the caliper with a piece of wire to prevent damage to the brake line.

  3. Suspend the caliper

  4. Object Number: 357020  Size: SH
  5. Remove the brake pads from the caliper bracket.
  6. Inspect the caliper bracket boots for the following conditions:
  7. • Cuts
    • Tears
    • Deterioration
    •  Replace the bracket boots if damage exists. Refer to Brake Caliper Bracket Replacement .
  8. Inspect the piston boot for the following conditions:
  9. • Cuts
    • Tears
    • Deterioration
    •  Replace the piston boot if damage exists. Refer to Rear Brake Caliper Overhaul .
  10. Inspect the caliper bolts for corrosion or damage. If corrosion exists, use new components (including bushings) when installing the caliper. Do not attempt to polish away the corrosion.

Installation Procedure

Important: Before installing new brake pads, wipe the outside surface of the caliper boot clean. Use denatured alcohol.

    Caution: Do not move the vehicle until a firm brake pedal is obtained. Failure to obtain a firm pedal before moving vehicle may result in personal injury.

  1. Bottom the piston into the caliper bore.
  2. Use a C-clamp with a metal plate or a wooden block across the face of the piston. Do not damage the piston or the caliper boot.


    Object Number: 357050  Size: SH
  3. The wear sensor is on the outside pad. Position the sensor at the trailing edge (downward) of the pad during forward wheel rotation.

  4. Object Number: 357020  Size: SH
  5. Install the pads to the caliper bracket.

  6. Object Number: 357034  Size: SH
  7. Install the caliper. Refer to Rear Brake Caliper Replacement .
  8. Burnish the new brake pads. Refer to Brake Pad and Rotor Burnishing .