GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2000 🢒 Park Avenue 🢒 Brakes 🢒 Disc Brakes 🢒 Rear Brake Caliper Replacement

Removal Procedure
  1. Remove two-thirds of brake fluid from master cylinder.
  2. Raise the vehicle and suitably support. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Remove the wheel and tire assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  4. Compress the caliper piston into caliper bore to allow the piston enough clearance to pass by the bosses on the brake pads.
    5. • Install a large C-clamp over top of the caliper housing and against back of the outboard pad.
    • Slowly tighten C-clamp until piston is pushed into caliper bore far enough to slide caliper off rotor.

    Object Number: 420701 Size: SH
  5. Remove brake hose to caliper bolt attaching the brake hose to the caliper.
  6. Plug the opening in the caliper and pipe to prevent fluid loss and contamination.

    7. Object Number: 617277 Size: SH
  7. Remove the park brake cable bracket (2) from the brake caliper (1).

    8. Leave the park brake cable attached to the cable bracket.

  8. Disconnect the park brake cable from the park brake lever on the brake caliper.
  9. Remove the caliper pin bolts.
  10. Remove the caliper.

Installation Procedure
  1. Install the caliper over the brake pads into the caliper anchor bracket.

    2. 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.

  2. Install the caliper pin bolts.

    3. Tighten
    Tighten the caliper pin bolts to 27 N·m (20 lb ft).


    Object Number: 420701 Size: SH
  3. Install the brake hose to the caliper bolt to the caliper.

    4. Tighten
    Tighten the brake hose to caliper bolt to 45 N·m (33 lb ft).


    Object Number: 617277 Size: SH
  4. Connect the park brake cable to the park brake lever on the brake caliper.
  5. Install the park brake cable bracket (2) to the brake caliper (1).
  6. Bleed the brake system. Refer to Hydraulic Brake System Bleeding in Hydraulic Brakes.
  7. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  8. Lower the vehicle.