Installation Procedure

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Installation Procedure
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    Fig 1: Identifying Caliper Guide Pin Caps
    GM2150205Courtesy of GENERAL MOTORS CORP.
  1. Ensure the brake caliper guide pin caps (1) are in good condition and firmly seated on the brake caliper body.

    Replace any missing or damaged brake caliper guide pin caps.

  2. Without disengaging the brake caliper from the brake caliper guide pins, inspect the brake caliper hardware. Refer to Rear Disc Brake Mounting and Hardware Inspection (With Single Rear Wheel)Β  or Rear Disc Brake Mounting and Hardware Inspection (With Dual Rear Wheel)Β .
  3. Fig 2: Identifying Brake Pad Springs
    GM2150204Courtesy of GENERAL MOTORS CORP.
  4. Install the brake pad springs (1).
  5. Fig 3: Identifying Outer & Inner Brake Pads
    GM2150202Courtesy of GENERAL MOTORS CORP.
  6. Install the outer brake pad (1).
  7. Install the inner brake pad (2).
  8. Prepare the brake caliper bracket bolts and the rear axle threaded holes for assembly.
    • Clean the brake caliper bracket bolts of any threadlocking residue
    • Clean the rear axle threaded holes of any threadlocking residue with denatured alcohol and allow to dry
  9. Apply threadlocker GM P/N 89021297 (Canadian P/N 10953488) to 2/3 of the threaded length of the brake caliper bracket bolt.
  10. Allow the threadlocker to cure approximately 10 minutes before assembly.
  11. Fig 4: Identifying Brake Caliper And Bracket Assembly
    GM2150199Courtesy of GENERAL MOTORS CORP.
  12. Position the brake caliper and bracket assembly (1) to the rear axle.
  13. CAUTION: Refer to Fastener Caution .
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.