GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Metro 🢒 General Information 🢒 General Information 🢒 Brake Caliper Replacement

Removal Procedure
  1. Siphon two-thirds of the fluid from the master cylinder reservoir.
  2. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.

    4. Object Number: 178627 Size: SH
  4. Remove the brake hose union bolt (2). Place a container beneath the hose in order to catch escaping fluid. Discard the union fitting washers.

    5. Object Number: 178650 Size: MH
  5. Remove two caliper mounting bolts.
  6. Remove the caliper from the caliper carrier.
  7. Remove the caliper pins (3)
  8. Inspect the following parts for corrosion and wear:
    9. • Mounting bolts
    • Slide caliper pins
    • Pads
    • Rotors
    • Dust boots
    • Replace any part that exhibits such conditions.

Installation Procedure

    Object Number: 178650 Size: MH
  1. Lubricate the caliper pins (3) with silicone grease.
  2. Install the two caliper pins (3), with the boots (2), to the caliper carrier (1)

    3. 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 caliper to the caliper carrier. Secure with 2 caliper mounting bolts.

    4. Tighten
    Tighten the caliper mounting bolts to 30 N·m (22 lb ft).


    Object Number: 178627 Size: SH
  4. Install the brake hose union bolt (2) with new washers.

    5. Tighten
    Tighten the brake hose union bolt to 23 N·m (17 lb ft).

  5. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  6. Lower the vehicle.
  7. Fill the master cylinder fluid reservoir. Refer to Master Cylinder Reservoir Filling in Hydraulic Brakes.
  8. Bleed the brake system. Refer to Hydraulic Brake System Bleeding in Hydraulic Brakes.
  9. Inspect for leaks.