Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 989 (POWER STEERING SYSTEM)REPAIR INSTRUCTIONSSTEERING GEAR THRUST SUPPORT REPLACEMENT - OFF VEHICLEREMOVAL 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 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Remove the steering gear from the vehicle. Refer to Power Steering Gear Replacement (Rack and Pinion) or Power Steering Gear Replacement (Non Rack and Pinion) .
Rotate stub shaft back and forth to drain the power steering fluid.
Place J 42882 over the end of the stub shaft. Slide J 43435 over the top of J 42882 . Use a torque wrench to remove the lock nut from the steering gear housing.

Fig 1: Removing The Lock Nut From The Steering Gear Housing
Courtesy of GENERAL MOTORS CORP.

J 43435 reverses to work with all available lock nut assemblies.
Using J 42882 , remove the adjuster nut assembly from the steering gear housing.

Fig 2: View Of Adjuster Nut Assembly, Steering Gear Housing & J 42882
Courtesy of GENERAL MOTORS CORP.
Remove the thrust bearing support from the steering gear housing.
Discard the thrust bearing support.

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.