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 913 (FRONT SUSPENSION SYSTEM)REPAIR INSTRUCTIONSSTEERING KNUCKLE REPLACEMENT (RWD)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 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.

Install the upper ball joint to the steering knuckle. Refer to UPPER BALL JOINT REPLACEMENT (RWD) or UPPER BALL JOINT REPLACEMENT (4WD) .
Install the lower ball joint to the steering knuckle. Refer to LOWER BALL JOINT REPLACEMENT (RWD) or LOWER BALL JOINT REPLACEMENT (4WD) .
Install the splash shield to the steering knuckle.
NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
Install the splash shield bolts.
Tighten

Tighten the splash shield bolts to 26 N.m (19 lb ft).
Install the tie rod end to the steering knuckle. Ensure that the seal is on the stud.

Fig 1: Splash Shield Bolts
Courtesy of GENERAL MOTORS CORP.
Seat the taper using J 29193 .
Tighten

Tighten J 29193 to 54 N.m (40 lb ft).

Remove J 29193 from the tie rod end ball stud.
Install the tie rod end retaining nut.
Tighten

Tighten the tie rod end retaining nut to 53 N.m (39 lb ft).
Install the wheel hub and bearing. Refer to WHEEL HUB, BEARING, AND SEAL REPLACEMENT (RWD PICKUP) or WHEEL HUB, BEARING, AND SEAL REPLACEMENT (4WD PICKUP AND UTILITIES) .
Lower the vehicle.
Check the front wheel alignment. Refer to WHEEL ALIGNMENT SPECIFICATIONS in Wheel Alignment.

Fig 2: Removing Outer Tie Rod End From Steering Knuckle
Courtesy 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.