Radio Antenna Module Replacement (9R199538 and Later)

Radio Antenna Module Replacement (9R199538 and Later)

Removal Procedure

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




6. 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.

7. Remove the radio antenna module (2).

* Disconnect the antenna lead to the window.
* Slide the module up to release module retainers from key slot.

Installation Procedure





Note: Cut thread on the new radio antenna module and drive the bolt through the nut twice to ensure that the bolt can be installed by hand. Do not drive the bolt more than twice to avoid stripping the threads.

1. Install the radio antenna module (2).
2. Install the bolt (1) from the back side of the sheet metal of the rear quarter, and tighten to 10Nm (89 lb in). Once the bolt touches the sheet metal, use a wrench to make sure the back side of the bolt head cuts through the paint.
3. Connect the antenna lead to the window.
4. Connect the coax cable (3) and the power connector (4).
5. Install the right rear quarter trim panel. Refer to Rear Quarter Trim Panel Replacement - Right Side (Standard Wheelbase) (Rear Quarter Trim Panel Replacement - Right Side (Standard Wheelbase))Rear Quarter Trim Panel Replacement - Right Side (Extended Wheelbase) (Rear Quarter Trim Panel Replacement - Right Side (Extended Wheelbase))
6. Install the screw from the HVAC duct.
7. Install the right lock pillar garnish molding. Refer to Body Lock Pillar Garnish Molding Replacement (Standard Wheelbase) (Body Lock Pillar Garnish Molding Replacement (Standard Wheelbase))Body Lock Pillar Garnish Molding Replacement (Avalanche/Escalade EXT) (Body Lock Pillar Garnish Molding Replacement (Avalanche/Escalade EXT))Body Lock Pillar Garnish Molding Replacement (Extended Wheelbase) (Body Lock Pillar Garnish Molding Replacement (Extended Wheelbase)).