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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1782 (DISC BRAKE SYSTEM)REPAIR INSTRUCTIONSBRAKE CALIPER BRACKET REPLACEMENTINSTALLATION PROCEDURE
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Installation Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation Procedure
WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Brake Caliper Bracket & Mounting Bolts
    GM756937Courtesy of GENERAL MOTORS CORP.
  1. Install the brake caliper bracket (1) to the knuckle.
    2. IMPORTANT: If reusing the caliper bracket bolts, the threads of the caliper bracket bolts and the threads of the knuckle mounting holes must be thoroughly cleaned and free of debris prior to the application of threadlocker.
  2. Prepare the bolts and the threaded holes for assembly:
    1. Thoroughly clean the residue from the bolt threads by using denatured alcohol or equivalent and allow to dry.
    2. Thoroughly clean the residue from the threaded holes by using denatured alcohol or equivalent and allow to dry.
    3. Apply threadlocker Saturn P/N 21005994, or equivalent to two-thirds of the threaded length of the lower caliper bracket bolts.
    4. Allow the threadlocker to cure approximately 10 minutes before installation.
    3. NOTE: Refer to Fastener Notice .
  3. Install the 2 brake caliper bracket bolts (2).

    Tighten:  Tighten the front brake caliper bracket bolts to 185 N.m (136 lb ft).

    4. Fig 2: Identifying Brake Pads, Bracket & Retainers
    GM680415Courtesy of GENERAL MOTORS CORP.
  4. Install the brake pad retainers (1) to the brake caliper bracket (3).
  5. Install the brake pads (2) to the brake caliper bracket (3).
  6. Install the brake caliper (1) to the front brake caliper bracket (2). Refer to Brake Caliper Replacement .
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:

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