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 691 (BODY FRONT END)REPAIR INSTRUCTIONSFENDER REPLACEMENT - FRONTINSTALLATION 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 2002 Buick Regal and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

Install the fender to the vehicle.
NOTE: Refer to FASTENER NOTICE .
Install the bolts to the fender at the front compartment side rail. Tighten the bolts to 6 N.m (53 lb in).

Fig 1: Identifying Fender-To-Front Compartment Side Rail Bolts
Courtesy of GENERAL MOTORS CORP.
Install the bolts to the fender at the rocker panel. See Figure. Tighten the bolts to 6 N.m (53 lb in).
Install the bolts to the fender at the door hinge pillar. Tighten the bolts to 10 N.m (89 lb in).

Fig 2: Identifying Fender-To-Door Hinge Pillar Bolt

Courtesy of GENERAL MOTORS CORP.

Install the bolts to the fender at the lower engine compartment side rail. See Figure. Tighten the bolts to 5 N.m (44 lb in).
Install the washer solvent container (right fender). Refer to WASHER FLUID LEVEL SWITCH & WASHER FLUID CONTAINER .
Install the front fender liner. Refer to Front Fender Liner Replacement .
Install the hood hinge. Refer to Hood Hinge Replacement .
Install the hood. Refer to Hood Replacement .
Install the rocker finish panel. Refer to MOLDING REPLACEMENT - ROCKER PANEL .
Install the headlamp. Refer to HEADLAMP ASSEMBLY OR HEADLAMP BULB AND/OR CORNERING, SIDEMARKER, PARK, TURN SIGNAL BULB REPLACEMENT .
Install the body side molding, if required. Refer to MOLDING REPLACEMENT - BODY SIDE .

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.