Removal Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 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 COMPANY

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.