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Home >> Chevrolet >> 2002 >> Prizm Base, Automatic, A245E/MS7 >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Disc Brakes & Drum Brakes >> Repair Instructions - Disc >> Brake Caliper Overhaul >> Removal Procedure

Removal Procedure

  1. Remove the caliper from the vehicle. Refer to Brake Caliper Replacement .
  2. Remove the caliper set ring (3) and the piston boot (2).
    Fig 1: Removing Caliper Set Ring And Piston Boot
    G01711125Courtesy of GENERAL MOTORS CORP.
    CAUTION: Do not place your fingers in front of the piston in order to catch or protect the piston while applying compressed air. This could result in serious injury.
  3. Insert a block of hard wood or a shop cloth (2) into the caliper interior. This will catch the piston as the piston is forced out of the bore with compressed air.
  4. Remove the piston from the caliper (1) by applying compressed air to the caliper brake hose connector hole.
    Fig 2: Removing Piston From Caliper
    G01711126Courtesy of GENERAL MOTORS CORP.
  5. Remove the piston seal from the caliper housing by using a screwdriver.
    Fig 3: Removing Piston Seal From Caliper Housing
    G01711127Courtesy of GENERAL MOTORS CORP.
  6. Remove the sliding pins from the caliper carrier (1).
  7. Remove the dust boots (2) from the caliper carrier using a dull chisel and a hammer.
  8. Remove the bleeder valve from the caliper.
    9. Fig 4: Removing Sliding Pins From Caliper Carrier
    G01711128Courtesy of GENERAL MOTORS CORP.
  9. Clean the following components in denatured alcohol:
    • The caliper slide bushings
    • The caliper set ring
    • The piston
    • The caliper carrier
    • The caliper housing
  10. Dry the components using unlubricated, compressed air.
  11. Blow out all passages in the caliper housing and the bleeder valve.
  12. Inspect the following components for damage, wear or corrosion:
    • The caliper housing
    • The caliper carrier
    • The piston
    • The piston seal
    • The piston boot
    • The caliper slide bushing
    • The caliper set ring
  13. Replace the components if damage, wear or corrosion is evident.
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