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Reassembly (Front)

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Required Tool: Disc Brake Piston Installer (J-24548).
  1. Lubricate the new piston seal, the caliper bore, the piston and the seal lips on the boot with clean brake fluid.
  2. Install the square cut seal being careful not to twist the seal in the caliper bore. See Figure .
  3. Install the boot on disc brake piston installer.
    1. Place the large diameter of the boot over the tool, then carefully work the smaller diameter onto the tool.
    2. Slide the large diameter of the boot off the tool.
    3. Install the boot in the caliper bore groove. The lip of the boot must firmly sit in the groove.
  4. Install the piston inside disc brake piston installer. See Fig 1 .
  5. Install the piston halfway into the bore.
  6. Remove disc brake piston installer. Ensure that the boot is sitting firmly in the groove.
  7. Install the bleeder valve. See Figure . Tighten the bleeder valve to specification. See TORQUE SPECIFICATIONS  .
  8. Install the caliper to the vehicle.
Fig 1: Installing Piston
G00317552Courtesy of GENERAL MOTORS CORP.
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