GM Service Manual Online
For 1990-2009 cars only

Brake Caliper Replacement Front

Removal Procedure


    Object Number: 63952  Size: SH
  1. Raise the vehicle and support. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the tire and wheel assembly.
  3. Remove the inlet fitting bolt, inlet fitting, and two gaskets only if the brake caliper housing is being removed from the vehicle.
  4. 3.1. Discard the two gaskets.
    3.2. Plug the openings in the brake caliper housing and the inlet fitting.

    Object Number: 63984  Size: SH
  5. Remove the brake caliper guide pin bolts.
  6. Remove the brake caliper housing from the brake rotor and the brake caliper mounting bracket.
  7. If a brake caliper housing overhaul or replacement is not required, support the brake caliper housing using a wire hook or equivalent to avoid damage to the brake hose.
  8. Remove the brake pads only if they are being replaced or if the brake caliper mounting bracket is being removed.

Installation Procedure


    Object Number: 63984  Size: SH
  1. Install the brake pads, if removed.
  2. 1.1. Install the outboard brake pad with the insulator installed toward the brake caliper housing.
    1.2. Install the inboard brake pad with the wear sensor installed nearest the brake caliper piston.
    1.3. The wear sensor must be in the trailing position during forward wheel rotation.
  3. Install the brake caliper housing over the brake rotor and into the brake caliper mounting bracket.
  4. Install the brake caliper guide pin bolts.
  5. Tighten
    Tighten the brake caliper guide pin bolts to 31 N·m (23 lb ft).

    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.


    Object Number: 63952  Size: SH
  6. Install the inlet fitting, two new gaskets and the inlet fitting bolt, if removed.
  7. Tighten
    Tighten the brake caliper inlet fitting bolt to 40 N·m (30 lb ft).

  8. Bleed the hydraulic brake system, If the inlet fitting was removed. Refer to Hydraulic Brake System Bleeding in Hydraulic Brakes.
  9. Install the tire and wheel assembly.
  10. Tighten
    Tighten the wheel nuts in sequence to 140 N·m (100 lb ft).

  11. Lower the vehicle.
  12. Refill the master cylinder reservoir. Refer to Master Cylinder Description in Hydraulic Brakes.
  13. With the engine running, pump the brake pedal slowly and firmly three times to seat the brake pads.
  14. Inspect the hydraulic brake system for brake fluid leaks.

Brake Caliper Replacement Rear

Removal Procedure


    Object Number: 63948  Size: SH
  1. Raise the vehicle and support. Refer to Lifting and Jacking the Vehicle in General information.
  2. Remove the tire and wheel assembly.
  3. Remove the inlet fitting bolt, inlet fitting, and two gaskets only if the brake caliper housing is being removed from the vehicle.
  4. 3.1. Discard the two gaskets.
    3.2. Plug the openings in the brake caliper housing and the inlet fitting.

    Object Number: 63989  Size: SH
  5. Remove the brake caliper guide pin bolts.

  6. Object Number: 171937  Size: SH
  7. Remove the brake caliper housing from the brake rotor and the brake caliper mounting bracket.
  8. If a brake caliper housing overhaul or replacement is not required, support the brake caliper housing using a wire hook or equivalent to avoid damage to the brake hose.
  9. Remove the brake pads only if they are being replaced or if the brake caliper mounting bracket is being removed.

Installation Procedure


    Object Number: 171937  Size: SH
  1. Install the brake pads, if removed.
  2. 1.1. Install the outboard brake pad with the insulator installed toward the brake caliper housing.
    1.2. Install the inboard brake pad with the wear sensor installed nearest the brake caliper piston.
    1.3. The wear sensor must be in the trailing position during forward wheel rotation.
  3. Install the brake caliper housing over the brake rotor and into the brake caliper mounting bracket.

  4. Object Number: 63989  Size: SH
  5. Install the brake caliper guide pin bolts.
  6. Tighten
    Tighten the brake caliper guide pin bolts to 31 N·m (23 lb ft).

    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.


    Object Number: 63948  Size: SH
  7. Install the inlet fitting, two new gaskets and the inlet fitting bolt, if removed.
  8. Tighten
    Tighten the brake caliper inlet fitting bolt to 40 N·m (30 lb ft).

  9. Bleed the hydraulic brake system, If the inlet fitting was removed. Refer to Hydraulic Brake System Bleeding in Hydraulic Brakes.
  10. Install the tire and wheel assembly.
  11. Tighten
    Tighten the wheel nuts in sequence to 140 N·m (100 lb ft).

  12. Lower the vehicle.
  13. Refill the master cylinder reservoir. Refer to Master Cylinder Description in Hydraulic Brakes.
  14. With the engine running, pump the brake pedal slowly and firmly three times to seat the brake pads.
  15. Inspect the hydraulic brake system for brake fluid leaks.