Sierra 1500 4WD V8-5.3L VIN B HO (2006)
Global Positioning System Antenna: Service and Repair
Antenna Assembly Replacement - Cellular and Navigation
ANTENNA ASSEMBLY REPLACEMENT - CELLULAR AND NAVIGATION
REMOVAL PROCEDURE
1. Lower the headliner.
2. Disconnect the cables from the antenna.
3. Loosen the retaining nut until the antenna assembly can be pulled from the top of the roof.
INSTALLATION PROCEDURE
1. Place the antenna assembly on the roof opening.
2. Tighten the bolt.
Tighten the bolt to 9 N.m (80 lb in).
NOTE: Refer to Fastener Notice in Service Precautions.
3. Connect the antenna cables.
4. Install the headliner.
