GM Service Manual Online
For 1990-2009 cars only

Digital Radio Antenna Replacement U2K

Removal Procedure


    Object Number: 845386  Size: SH
  1. Lower the front of the headliner. Refer to Headlining Trim Panel Replacement in Interior Trim.
  2. Disconnect the antenna cables from the antenna base cable connectors.
  3. Remove the antenna base bolt (2).

  4. Object Number: 878369  Size: SH
  5. Disengage the retainers at the inside of the roof.
  6. Remove the antenna base assembly.

Installation Procedure


    Object Number: 878369  Size: SH
  1. Route the base antenna cables through the roof opening.

  2. Object Number: 845386  Size: SH
  3. Locate the antenna base to the roof with the alignment pin (2).
  4. Notice: Refer to Fastener Notice in the Preface section.

  5. Secure the antenna base to the roof with the bolt.
  6. Tighten
    Tighten the antenna base bolt to 6 N·m (53 lb in).

  7. Connect the antenna cables to the antenna base cable connectors.
  8. Install the headliner. Refer to Headlining Trim Panel Replacement in Interior Trim.