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Caliper Disassembly (Rear Disc Brakes): Installation

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NOTE: Requires Piston Sealer Installer (J24548).
  1. Lubricate the new piston seal, caliper bore, piston, and seal lips on boot with clean brake fluid.
  2. Install the piston seal. Make sure the seal is not twisted in caliper bore groove.
  3. Install the boot on Seal Installer (J24548). Place a large diameter of boot over tool first and carefully work smaller diameter onto tool. Slide large diameter off tool.
  4. Install large lip of boot in caliper bore groove. Lip of boot must firmly sit in groove.
  5. Install the piston inside Seal Installer (J24548). See Fig 4.
  6. Install piston halfway into bore. Remove Seal Installer (J24548). Make sure boot is firmly seated.
  7. Install bleeder valve. Tighten the bleeder valve to 62 INCH lbs. (7 N.m).
Fig 1: Identifying Rear Caliper Components
G00106571Courtesy of GENERAL MOTORS CORP.
Fig 2: Removing Rear Caliper Piston (Rear Disc Brakes)
G00106572Courtesy of GENERAL MOTORS CORP.
Fig 3: Removing Boot (Rear Disc Brakes)
G00106573Courtesy of GENERAL MOTORS CORP.
Fig 4: Installing Rear Caliper Piston (Rear Disc Brakes)
G00106574Courtesy of GENERAL MOTORS CORP.
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