GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Notice: Use tape on the tool surface so that you do not damage the paint on the antenna mast.

  1. Pull back the rear compartment trim panel to gain access to the antenna.

  2. Object Number: 290021  Size: SH
  3. Remove the antenna mast (2) from the antenna base (1).
  4. Remove the antenna base screws (5) from the bracket on the antenna base (1).
  5. Remove the antenna base from the antenna mounting spacer (3) and the wheelhouse pinchweld flange.
  6. Disconnect the antenna lead-in (4) from the antenna base (1).

Installation Procedure


    Object Number: 290021  Size: SH
  1. Connect the antenna lead-in (4) to the antenna base (1).
  2. Install the antenna base (1) to the antenna mounting spacer (3) until fully seated while aligning the antenna base bracket to the upper hole in the pinchweld flange of the inner wheelhouse.
  3. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the antenna base screws (5) to the bracket on the antenna base (1).
  5. Tighten
    Tighten the screws to 1.9 N·m (17 lb in).

  6. Install the antenna mast (2) to the antenna base (1).
  7. Tighten
    Tighten the antenna mast to 1.5 N·m (13 lb in).

  8. Reposition the rear compartment trim panel.