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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1554 (POWER STEERING SYSTEM)REPAIR INSTRUCTIONSPOWER BRAKE BOOSTER INLET 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 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Refer to INSTALLING HOSES WITHOUT TWISTS OR BENDS NOTICE .
  1. Route the hose in the same position the hose occupied prior to removal.
  2. Install the brake booster inlet hose (1) to the brake booster (2).
    NOTE: Refer to FASTENER NOTICE .
  3. Install the brake booster inlet hose to the power steering pump.

    Tighten 

    Tighten the brake booster inlet hose fittings to 28 N.m (20 lb ft).

  4. Remove the drain pan from under the vehicle.
  5. Bleed the power steering system. Refer to Bleeding the Power Steering System .
Fig 1: Install Brake Booster Inlet Hose To Brake Booster
G01479555Courtesy of GENERAL MOTORS CORP.
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.