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Home >> Chevrolet >> 2005 >> Optra5 LS, Standard >> Repair and Diagnosis (Single Page) >> Brakes >> Mechanical - Hydraulic >> Disc Brakes >> Repair Instructions >> Brake Caliper Overhaul - Rear >> Disassembly Procedure

Disassembly Procedure

    Fig 1: Identifying Compressed Air Application Point
    GM1255727Courtesy of GENERAL MOTORS CORP.
  1. Remove the caliper. Refer to Brake Caliper Overhaul - Rear .
    2. CAUTION: Refer to Safety Glasses Caution in Cautions and Notices.
    CAUTION: Do not place your fingers in front of the piston in an attempt to catch or protect it when applying compressed air. This could result in serious injury.
    IMPORTANT: When removing the caliper piston with compressed air, place some rolled-up shop towels beneath the caliper to prevent damage to the piston.
  2. Apply unlubricated compressed air at the hose inlet of the caliper.
    3. Fig 2: Identifying Brake Piston Seals
    GM1255731Courtesy of GENERAL MOTORS CORP.
  3. Remove the piston from its bore and remove the piston dust seal.
  4. Remove the inner seal from the bore. Avoid scratching the bore.
    5. Fig 3: View Of Bleeder Valve And Dust Cap
    GM1255732Courtesy of GENERAL MOTORS CORP.
  5. Remove the bleeder valve dust cap and the bleeder valve.
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