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.

2003 Pontiac Sunfire StandardFACTORY OEM SERVICE PROCEDURE

Installation Procedure

WARNING: This page is about a different car, the 2004 Pontiac Sunfire and 2004 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.

Install the bracket assembly (1) to the hinge pillar stud (3), and the dash pan stud (4).

NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the retaining nut (2) to the hinge pillar stud (3).
Tighten: Tighten nut to 9.5 N.m (84 lb in).
Install the retaining nut (2) to the dash pan stud (4).
Tighten: Tighten nut to 9.5 N.m (84 lb in).
Install the OnStar® module to the bracket assembly. Refer to Communication Interface Module Replacement .
Reposition the carpet and the floor sound deadener to a desired appearance, if necessary. Refer to Carpet Replacement - Front in Interior Trim.

Fig 1: Installing Bracket Assembly Retaining Nuts
Courtesy of GENERAL MOTORS CORP.

Factory Service Tools

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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.