Assembly Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Assembly Procedure
WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.

Important:  Install a new O-ring seal each time the thrust support assembly is removed from the steering gear.

  1. Lubricate the new O-ring seal (3).
  2. Install the new O-ring seal (3) on the thrust support assembly (2).
  3. Install the thrust support assembly (2).
    Fig 1: Installing Thrust Support Assembly & O-Ring Seal To Steering Gear Housing
    G01467306Courtesy of GENERAL MOTORS CORP.
  4. Connect the adjuster nut assembly (2) to the steering gear housing (1) using J 42882  .
  5. Install the coupling shield retainer and the lock nut (1) to the adjuster nut assembly.
  6. Refer to WORM THRUST BEARING PRELOAD ADJUSTMENT - OFF VEHICLE (700 GEAR)  to adjust the thrust bearing preload.
    Fig 2: Connecting Adjuster Nut Assembly To Steering Gear Housing
    G01467307Courtesy of GENERAL MOTORS CORP.
  7. Hold the adjuster nut assembly in position to maintain alignment of the marks.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  8. Tighten the coupling shield retainer and the lock nut using J 43435  and a torque wrench.

    Tighten 

    Tighten the retainer and the lock nut to 109 N.m (80 lb ft).

Fig 3: Tightening Coupling Shield Retainer & Lock Nut
G01467308Courtesy 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.