Installation Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation Procedure
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Refer to FASTENER NOTICE .
  1. Install the power steering cooler (1) to the radiator support.

    TightenΒ 

    Tighten the bolts retaining the power steering cooler to 5 N.m (44 lb in).

    Fig 1: Installing Power Steering Cooler
    G01662163Courtesy of GENERAL MOTORS CORP.
  2. Install the power steering cooler outlet hose (3) to the power steering pump (2).

    Install the retaining clamp.

  3. Install the power steering inlet hose (5) to the power steering gear (1).

    Install the retaining clamp.

    Fig 2: Installing Power Steering Cooler Hose Clamps
    G01662164Courtesy of GENERAL MOTORS CORP.
  4. Fill and bleed the power steering system. Refer to Bleeding the Power Steering SystemΒ .
  5. Inspect all the hose connections for leaks.
  6. Install the front grille. Refer to GRILLE REPLACEMENT (CADILLAC) or GRILLE REPLACEMENT (AVALANCHE) .
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:

  • 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.