GM Service Manual Online
For 1990-2009 cars only

Digital Radio Antenna Replacement U2K

Removal Procedure


    Object Number: 859160  Size: SH
  1. Remove the right rear upper quarter trim panel. Refer to Rear Quarter Upper Trim Panel Replacement in Interior Trim.
  2. Lower the rear of the headliner for access to the antenna/cable attachment. Refer to Headlining Trim Panel Replacement in Interior Trim.
  3. Adjust the antenna cable mastic patches for access.
  4. Disconnect the antenna cables from the antenna base cable connectors.
  5. Remove the antenna base bolt.

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

Installation Procedure


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

  2. Object Number: 859160  Size: SH
  3. Install the antenna base to the roof.
  4. Notice: Refer to Fastener Notice in the Preface section.

  5. Secure the antenna base with the bolt.
  6. Tighten
    Tighten the antenna base bolt to 3 N·m (27 lb in).

  7. Connect the antenna cables to the antenna base cable connectors.
  8. Install the antenna cable mastic patches.
  9. Install the rear of the headliner. Refer to Headlining Trim Panel Replacement in Interior Trim.
  10. Install the right rear upper quarter trim panel. Refer to Rear Quarter Upper Trim Panel Replacement in Interior Trim.