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Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Using a C-clamp (1), bottom the piston into the caliper bore. Use an old brake pad (2) or wooden block placed across the face of the piston. Do not damage the piston or the caliper boot.
    2. Fig 1: Compressing Caliper Piston
    GM728143Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Use a small flat-bladed tool and lift the inner edge caliper boot next to the piston to release any trapped air.
  2. Ensure that the piston boot is below the level of the piston face.
    3. Fig 2: Lifting Inner Edge Caliper Boot - Rear (15 Series W/O NYS)
    GM177028Courtesy of GENERAL MOTORS CORP.
  3. Install the brake pad retainers to the caliper bracket.
    4. IMPORTANT: Ensure that the wear sensor is positioned at the leading edge, upward, of the inner pad during forward wheel rotation.
  4. Install the brake pads over the brake pad retainers and onto the caliper bracket.
    5. Fig 3: View Of Brake Pads & Caliper Bracket - Rear
    GM695055Courtesy of GENERAL MOTORS CORP.
  5. Install the caliper to the caliper mounting bracket.
    6. NOTE: Refer to Fastener Notice in Cautions and Notices.
  6. Install 2 new caliper guide pin bolts.

    Tighten:  Tighten the 2 caliper guide pin bolts to 42 N.m (31 lb ft).

  7. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  8. Lower the vehicle.
  9. With the engine OFF, gradually apply the brake pedal to approximately 2/3 of its travel distance.
  10. Slowly release the brake pedal.
  11. Wait 15 seconds, then repeat steps 9-10 until a firm pedal is obtained. This will properly seat the brake caliper pistons and brake pads.
  12. Fill the master cylinder reservoir to the proper level with clean brake fluid. Refer to Master Cylinder Reservoir Filling in Hydraulic Brakes.
  13. Burnish the pads and the rotors. Refer to Burnishing Pads and Rotors .
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