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Front Brake Caliper: Disassembly

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, 2003 Chevrolet RV Cutaway, and 2003 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the brake caliper from the vehicle. See BRAKE CALIPERS  under REMOVAL & INSTALLATION. Place a thin piece of wood in front of the piston in order to prevent damage. Remove the piston by directing compressed air into the brake hose inlet fitting port of the brake caliper housing.
  2. Remove the piston boot. Remove the piston seal. Remove the brake caliper bleed screw cap. Remove the brake caliper bleed screw.
  3. Inspect the brake caliper bore and the piston seal groove for scoring and corrosion. If you find excessive scoring or corrosion around the piston seal area, replace the brake caliper housing.
  4. Inspect the brake caliper mounting bracket guide surfaces for corrosion and wear. Remove and replace the brake caliper mounting bracket if necessary. Clean all of the residue from the brake pad guiding surfaces on the brake caliper housing and the brake caliper mounting bracket.
  5. Clean all of the parts not included in the repair kit with denatured alcohol. Dry all of the parts with filtered unlubricated compressed air. Blow out all passages in the brake caliper housing and the brake caliper bleeder valve.
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