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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1277 (POWER STEERING SYSTEM)REPAIR INSTRUCTIONSPOWER STEERING GEAR REPLACEMENT (FWD)INSTALLATION 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 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the rear engine mount bracket to the crossmember.
    NOTE: Refer to FASTENER NOTICE .
  2. Install the 3 bolts to the rear engine mount bracket.
    1. Tighten 
    2. Tighten the bolts to 64 N.m (47.2 lb ft).
  3. Install the rear engine mount insulator to the crossmember.
  4. Install the bolt to the rear engine mount insulator.
    1. Tighten 
    2. Tighten the bolt to 87 N.m (64.2 lb ft).
  5. If you are replacing the steering gear or the intermediate shaft, copy the match marks from the old parts to the same locations on the new parts.
  6. Install the steering gear (11) and the 4 bolts (7,12,13,14) to the crossmember.
    Fig 1: Locating Steering Gear Components
    G01545637Courtesy of GENERAL MOTORS CORP.
    1. Tighten 
    2. Tighten the bolts to 58 N.m (42.8 lb ft).
  7. Install the intermediate shaft (5) to the steering gear. Align the match marks.
  8. Install the bolt (6) to the intermediate shaft.
    1. Tighten 
    2. Tighten the bolt to 35 N.m (25.8 lb ft).
  9. Install the steering column hole cover (4) to the bulkhead.
  10. Install the following components as a unit. Refer to FRONT SUSPENSION CROSSMEMBER REPLACEMENT (FWD) or FRONT SUSPENSION CROSSMEMBER REPLACEMENT (AWD) in Front Suspension.
    • The steering gear
    • The intermediate steering shaft
    • The front suspension crossmember
    • The trans support
    • The 2 control arms
    • The front stabilizer shaft
  11. Install the 2 outer tie rod ends (10,15). Refer to TIE ROD END REPLACEMENT - OUTER  .
    NOTE: Refer to INSTALLING HOSES WITHOUT TWISTS OR BENDS NOTICE .
  12. Install the pressure and return pipes (18) to the steering gear.
    1. Tighten 
    2. Tighten the pipe nuts to 23 N.m (17.0 lb ft).
  13. Install the pipe bracket bolt (1).
    1. Tighten 
    2. Tighten the bolt to 7.8 N.m (69.04 Ib. in).
  14. Install the left engine splash shield. Refer to SPLASH SHIELD REPLACEMENT - ENGINE - LEFT in Body Front End.
  15. Install the right engine splash shield. Refer to SPLASH SHIELD REPLACEMENT - ENGINE - RIGHT in Body Front End.
  16. Install the front tire and wheel assemblies. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tires and Wheels.
  17. Lower the vehicle.
  18. Remove the Engine Support Fixture. Refer to ENGINE SUPPORT FIXTURE in ENGINE MECHANICAL - 1.8L (LV6) or to ENGINE SUPPORT FIXTURE in Engine Mechanical - 1.8L (LNK).
  19. Align the match marks on the intermediate shaft (4) and on the steering shaft coupling (3).
    Fig 2: Locating Steering Column Components
    G01545638Courtesy of GENERAL MOTORS CORP.
  20. Install the lower coupling bolt (6).
    1. Tighten 
    2. Tighten the bolt to 35 N.m (25.8 lb ft).
  21. Tighten the upper coupling bolt (7).
    1. Tighten 
    2. Tighten the bolt to 35 N.m (25.8 lb ft).
  22. Place the silencer pad into the correct position.
    NOTE: When adding fluid or making a complete fluid change, always use the proper power steering fluid. Failure to use the proper fluid will cause hose and seal damage and fluid leaks.
  23. Fill the power steering fluid reservoir. Refer to CHECKING AND ADDING POWER STEERING FLUID  .
    NOTE: Refer to AIR IN THE POWER STEERING SYSTEM NOTICE .
  24. Bleed the power steering system. Refer to BLEEDING THE POWER STEERING SYSTEM  .
  25. Inspect the power steering system for leaks. Repair as necessary.
  26. Measure the wheel alignment. Adjust as necessary. Refer to MEASURING WHEEL ALIGNMENT in Wheel Alignment.
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.