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 MANUALSCHEVROLET2001CHEVY EXPRESS G2500, VAN CARGO EXTENDED, 5.7 R, L31/KL8REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 500 (CELLULAR COMMUNICATION SYSTEM)REPAIR INSTRUCTIONSONSTAR MICROPHONE REPLACEMENTINSTALLATION PROCEDURE

2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8

Installation Procedure

2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8SECTION Installation Procedure

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

Reach your hand through the access opening and install the microphone to the overhead console at the left rear corner of the overhead console.
Snap the microphone bracket to the overhead console.

Fig 1: Identifying OnStar Microphone Components
Courtesy of GENERAL MOTORS CORP.
Connect the microphone connector (2) to the mating 2-way connector.
NOTE: Refer to Fastener Notice in Cautions and Notices.
Install the overhead console door (1).
Install the screws securing the overhead console door.

Tighten: Tighten the screws to 10 N.m (89 lb in).

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.