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 1781 (REAR SUSPENSION SYSTEM)REPAIR INSTRUCTIONSTRAILING ARM BRACKET REPLACEMENTINSTALLATION 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 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

Install the bracket to the trailing arm.
Loosely install the trailing arm bracket nut and bolt.

Fig 1: View Of Trailing Arm Bracket To Body Bolts

Courtesy of GENERAL MOTORS CORP.

Push the trailing arm upward to align the front bracket to body bolt.

NOTE: Refer to Fastener Notice .

Use a drift to aid in bracket alignment and install the remaining bolts.
Tighten: Tighten the bracket to body bolts to 110 N.m (81 lb ft).

Fig 2: Park Brake Cable Clip & Trailing Arm

Courtesy of GENERAL MOTORS CORP.

Install the parking brake cable clip to the trailing arm.
Tighten: Tighten the bolt to 25 N.m (18 lb ft).
Tighten the bracket to trailing arm bushing nut and bolt.
Tighten: Tighten the bolt to 160 N.m (118 lb ft).
Lower the vehicle.

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.