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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 225 (Disc Brake System) >> Repair Instructions >> Brake Caliper Overhaul - Front >> Assembly Procedure

Assembly Procedure

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    Fig 1: Inspecting Brake Caliper Bore
    GM177058Courtesy of GENERAL MOTORS CORP.
  1. Install the bleeder valve (2) and the bleeder valve cap (1) to the caliper housing.
  2. Lubricate the new piston seal with Delco Supreme 11® GM P/N 12377967(Candian P/N 992667) or equivalent DOT-3 brake fluid from a clean, sealed brake fluid container.
  3. Install a new lubricated piston seal (4) to the caliper bore grooves. Ensure that the piston seal is not twisted.
    4. Fig 2: Inspecting Brake Caliper Piston Dust Boot
    GM177051Courtesy of GENERAL MOTORS CORP.
  4. Install the lubricated boot (1) onto the brake caliper piston (2).
  5. Lubricate the brake caliper piston (2) with clean brake fluid.
  6. Install the brake caliper piston and the brake caliper piston boot into the bore of the caliper. Push the brake caliper piston to the bottom of the bore.
    7. Fig 3: Identifying J 36349
    GM717654Courtesy of GENERAL MOTORS CORP.
  7. Seat the caliper boot in the caliper housing counterbore using the J 35777  . See Special Tools .
  8. Install the caliper. Refer to Brake Caliper Replacement - Front .
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