GM Service Manual Online
For 1990-2009 cars only

Front Brake Caliper Replacement Dual Piston

Removal Procedure

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

Caution: Refer to Brake Fluid Irritant Caution in the Preface section.

Notice: Refer to Brake Fluid Effects on Paint and Electrical Components Notice in the Preface section.


    Object Number: 355084  Size: SH
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  3. Remove the brake caliper hose bolt from the brake caliper.
  4. Remove the 2 copper gaskets from the brake caliper bolt. These gaskets maybe stuck to the brake caliper and/or the brake hose end.
  5. Discard the 2 copper gaskets.
  6. Plug the opening in the front brake hose in order to prevent excessive brake fluid loss and contamination.
  7. Remove the brake hose and washers from the brake caliper.

  8. Object Number: 798970  Size: SH
  9. Remove the brake caliper guide pin bolts.

  10. Object Number: 798971  Size: SH
  11. Remove the brake caliper assembly.

Installation Procedure


    Object Number: 798971  Size: SH
  1. Install the brake caliper on the mounting bracket.

  2. Object Number: 798970  Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the brake caliper bolts to the mounting bracket.
  4. Tighten
    Tighten the brake caliper bolts to 51 N·m (38 lb ft).

    Notice: Refer to Installing Hoses without Twists or Bends Notice in the Preface section.


    Object Number: 355084  Size: SH

    Important: When performing the following service procedure, DO NOT reuse the old bolt washers. Always use new washers.

  5. Install the brake hose bolt and washers.
  6. Tighten
    Tighten the brake hose bolt to 54 N·m (40 lb ft).

  7. Fill the brake master cylinder to the proper level. Refer to Master Cylinder Reservoir Filling in Hydraulic Brakes.
  8. Bleed the brake calipers. Refer to Hydraulic Brake System Bleeding in Hydraulic Brakes.
  9. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  10. Lower the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.