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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Disc Brakes >> Diagnostic Information and Procedures >> Brake Caliper Inspection

Brake Caliper Inspection

  1. GM5082750Courtesy of GENERAL MOTORS COMPANY
    WARNING:

    Refer to Brake Dust Warning .

    Inspect the brake caliper housing (1) for cracks, excess wear, and/or damage. If any of these conditions are present, the brake caliper requires replacement.

  2. Inspect the caliper piston dust boot seal (3) for cracks, tears, cuts, deterioration and/or improper seating in the caliper body. If any of these conditions are present, the brake caliper requires overhaul or replacement.
  3. Inspect for brake fluid leakage around the caliper piston dust boot seal (3) and on the disc brake pads. If there is any evidence of brake fluid leakage, the brake caliper requires overhaul or replacement.
  4. Inspect for smooth and complete travel of the caliper piston (2) into the caliper bores. The movement of the caliper piston (2) into the caliper bores should be smooth and even. If the caliper piston (2) is frozen or difficult to bottom, the caliper requires overhaul or replacement.