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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1754 (HYDRAULIC BRAKE SYSTEM)REPAIR INSTRUCTIONSFRONT BRAKE HOSE 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: Removing/Installing Front Brake Hose Bracket Retaining Bolt
    GM929744Courtesy of GENERAL MOTORS CORP.
  1. Remove the caps or plugs from the opening in the brake caliper and the brake hose.
    2. IMPORTANT: Install NEW copper brake hose gaskets.
  2. Assemble the NEW copper brake hose gaskets, and the brake hose bolt, to the brake hose.
    3. NOTE: Refer to Fastener Notice .
  3. Install the brake hose-to-brake caliper bolt to the brake caliper.

    Tighten:  Tighten the bolt to 44 N.m (32 lb ft).

  4. Install the front brake hose bracket retaining bolt.

    Tighten:  Tighten the bolt to 12 N.m (106 lb in).

    5. Fig 2: Removing/Installing Brake Hose
    GM926801Courtesy of GENERAL MOTORS CORP.
  5. Remove the caps or plugs from the brake pipe fitting end and the brake hose end.
  6. Using a backup wrench on the hose fitting, connect the brake pipe fitting at the front brake hose.

    Tighten:  Tighten the fitting to 18 N.m (13 lb ft).

  7. Install the brake hose retaining clip to the brake hose and the brake hose mounting bracket.
  8. Connect the wheel speed sensor wire harness and harness retainers to the front brake hose.
  9. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  10. Ensure that the hose does not make contact with any part of the suspension. Check the hose in extreme right and extreme left turn conditions. If the hose makes contact, remove the hose and correct the condition.
  11. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding (Pressure)  or Hydraulic Brake System Bleeding (Manual) .
  12. Lower the vehicle.
RENDER: 1.0x

NO RELATED

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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.