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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1873 (POWER STEERING SYSTEM)REPAIR INSTRUCTIONSSTEERING GEAR REPLACEMENT (NVH)REMOVAL PROCEDURE
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Removal Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Removal Procedure
WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    CAUTION: With wheels of the vehicle facing straight ahead, secure the steering wheel utilizing steering column anti-rotation pin, steering column lock, or a strap to prevent rotation. Locking of the steering column will prevent damage and a possible malfunction of the SIR system. The steering wheel must be secured in position before disconnecting the following components:
    • The steering column
    • The intermediate shaft(s)
    • The steering gear

    After disconnecting these components, do not rotate the steering wheel or move the front tires and wheels. Failure to follow this procedure may cause the SIR coil assembly to become un-centered and cause possible damage to the SIR coil. If you think the SIR coil has became un-centered, refer to your specific SIR coil's centering procedure to re-center SIR Coil.
  1. LOCK the steering column. Verify the front wheels are in the straight ahead position.
  2. Remove as much power steering fluid from the power steering fluid reservoir as possible.
  3. Place drain pans under the vehicle.
  4. Remove the front tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation .
    5. Fig 1: Steering Linkage Outer Tie Rod Nuts
    GM1865912Courtesy of GENERAL MOTORS CORP.
  5. Remove both steering linkage outer tie rod nuts (1).

    Discard the steering linkage outer tie rod nuts.

    6. CAUTION: Do not free the ball stud by using a pickle fork or a wedge-type tool. Damage to the seal or bushing may result.
  6. Use the SA91100C:  separator in order to disconnect the steering linkage outer tie rods from the steering knuckles.
    7. Fig 2: Steering Shaft Coupling Bolt
    GM1819429Courtesy of GENERAL MOTORS CORP.
  7. Remove the steering shaft coupling bolt (1) and disconnect the steering shaft coupling from the steering gear.

    Discard the steering shaft coupling bolt.

  8. Disconnect the stabilizer shaft links from the stabilizer shaft. Refer to Stabilizer Shaft Link Replacement .
  9. Rotate the stabilizer shaft in order to provide clearance for the steering gear.
    10. Fig 3: Identifying Power Steering Gear Hoses Bracket Bolt
    GM1819491Courtesy of GENERAL MOTORS CORP.
  10. Remove the power steering gear inlet hose bracket bolt (1).
    11. Fig 4: Identifying Power Steering Gear Inlet & Cooler Hose
    GM1819480Courtesy of GENERAL MOTORS CORP.
  11. Disconnect the power steering gear inlet hose (2) and the power steering cooler hose (1) from the steering gear.
  12. Discard the O-ring seals.
    13. Fig 5: Identifying Transaxle Mount Bolt
    GM1819466Courtesy of GENERAL MOTORS CORP.
  13. Remove the rear transmission mount through bolt (1).
    14. Fig 6: Identifying Transaxle Mount Bolts
    GM1819476Courtesy of GENERAL MOTORS CORP.
  14. Remove the 3 rear transmission mount bolts (1).
  15. Position the rear transmission mount to the side.
    16. Fig 7: Identifying Power Steering Gear Bolts
    GM1858265Courtesy of GENERAL MOTORS CORP.
  16. Remove the steering gear bolts (1).
  17. Maneuver and remove the steering gear through the left wheelhouse opening.
  18. Transfer any parts as necessary.
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.