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 MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2409 (CELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEM)REPAIR INSTRUCTIONSRADIO ANTENNA MODULE REPLACEMENT (9R199538 AND LATER)REMOVAL PROCEDURE

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Removal Procedure

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Removal Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Remove the right lock pillar garnish molding. Refer to Body Lock Pillar Garnish Molding Replacement (Standard Wheelbase) , Body Lock Pillar Garnish Molding Replacement (Avalanche/Escalade EXT) , Body Lock Pillar Garnish Molding Replacement (Extended Wheelbase) .
Remove the screw from the HVAC duct and reposition the duct away from the module to allow access.
Remove the right rear quarter trim panel. Refer to Rear Quarter Trim Panel Replacement - Right Side (Extended Wheelbase) , Rear Quarter Trim Panel Replacement - Right Side (Standard Wheelbase)
Disconnect the power connector (4).
Disconnect the coax cable from the module (3).

Fig 1: Radio Antenna Module

Courtesy of GENERAL MOTORS CORP.

Remove the radio antenna bolt (1).
- Use a wrench to loosen the bolt and unscrew by hand, being careful to avoid touching the glass.
- Damage to the lines on the glass will cause signal issues.
Remove the radio antenna module (2).
- Disconnect the antenna lead to the window.
- Slide the module up to release module retainers from key slot.

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.