gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Antenna, Phone > < Audio System - Difficult To Install Fixed Radio Antenna|Page 13800
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Antenna, Navigation: Service and Repair

Antenna Assembly Replacement - Cellular and Navigation

Removal Procedure

1. Lower the front portion of the headliner. Refer to Headlining Trim Panel Replacement (Crew Cab) Headlining Trim Panel Replacement (Extended

Cab) Headlining Trim Panel Replacement (Regular Cab).

2. Disconnect the electrical connectors from the antenna assembly.
3. Loosen the retaining nut until the assembly can be removed from the roof panel.
4. Using an upward motion, remove the antenna assembly from the roof.

Installation Procedure

1. Install the antenna assembly from the top of the roof.
2. Lower the antenna assembly to the roof panel, ensuring the anti-rotation pin is properly indexed.

Notice:  Refer to Fastener Notice.

3. Tighten the retaining nut.

Tighten the nut to 6 N.m (53 lb in).

4. Connect the antenna electrical connectors.
5. Install the headliner.

Antenna, Phone > < Audio System - Difficult To Install Fixed Radio Antenna|Page 13800