GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2007 🢒 Rendezvous - FWD 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Cellular and Navigation Antenna Assembly Replacement

Removal Procedure
  1. Remove the windshield garnish molding. Refer to Windshield Pillar Garnish Molding Replacement .
  2. Remove the sunshade from the headliner. Refer to Sunshade Replacement .
  3. Remove the door edge molding from the door opening. Refer to Front Side Door Trim Panel Replacement .
  4. Lower the front corner of the headliner. Refer to Headlining Trim Panel Replacement .

    5. Object Number: 838978 Size: SH
  5. Disconnect the wire harness from the roof antenna .
  6. Remove the antenna nut.
  7. Remove the antenna from the roof.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 838978 Size: SH
  1. Attach the antenna base to the roof and fasten the antenna nut.

    2. Tighten
    Tighten the nut to 2 N·m (18 lb in).


    Object Number: 838978 Size: SH
  2. Connect the electrical connector to the antenna.
  3. Push the headliner back into place. Refer to Front Side Door Trim Panel Replacement .
  4. Attach the sunshade to the headliner. Refer to Sunshade Replacement .
  5. Attach the windshield garnish molding. Refer to Windshield Pillar Garnish Molding Replacement .