GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 2001 🢒 Aurora 🢒 General Information 🢒 General Information 🢒 Rear Brake Caliper Replacement

Removal Procedure
  1. Remove 2/3 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. Notice: When using a large C-clamp to compress a caliper piston into a caliper bore of a caliper equipped with an integral park brake mechanism, do not exceed more than 1 mm (0.039 in) of piston travel. Exceeding this amount of piston travel will cause damage to the internal adjusting mechanism and/or the integral park brake mechanism.


    Object Number: 420701 Size: SH
  4. Remove the park brake cable  from the caliper.
  5. If the caliper is to be removed for repair, remove the bolt attaching the inlet fitting to the caliper, and plug the opening in the caliper and/or pipe to prevent fluid loss and contamination.
  6. Remove the caliper pin bolt.
  7. Remove the caliper.

Installation Procedure
  1. Install the caliper over the brake pads into the brake caliper 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 85 N·m (63 lb ft).


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

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


    Object Number: 106206 Size: SH
  4. Install the park brake cable (1) to the caliper.
  5. Bleed the brake system. Refer to Hydraulic Brake System Bleeding .
  6. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  7. Lower the vehicle.