Envoy 4WD V8-5.3L VIN M (2005)
Global Positioning System Antenna: Service and Repair
Antenna Assembly Replacement - Cellular and Navigation
ANTENNA ASSEMBLY REPLACEMENT - CELLULAR AND NAVIGATION
REMOVAL PROCEDURE
1. Lower the front portion of the headliner. Refer to Headliner Replacement (Envoy XUV) Headliner Replacement (TrailBlazer, Envoy, Bravada)
Headliner Replacement (TrailBlazer EXT, Envoy XL) in Interior Trim.
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.
3. Tighten the retaining nut.
Tighten the nut to 6 N.m (53 lb in).
NOTE: Refer to Fastener Notice in Service Precautions.
4. Connect the antenna electrical connectors.
5. Install the headliner.
