Envoy 4WD V8-5.3L (2007)
Antenna, Navigation: Service and Repair
Cellular and Navigation Antenna Assembly Replacement
Removal Procedure
1. Lower the front portion of the headliner. Refer to Headlining Trim Panel Replacement
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.
