GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2003 🢒 Park Avenue 🢒 Body and Accessories 🢒 Entertainment 🢒 Radio Antenna Module Replacement

Removal Procedure
  1. Remove the left sail trim panel. Refer to Sail Panel Replacement in Interior Trim.

    2. Object Number: 258823 Size: SH
  2. Disconnect the electrical connectors (2) from the module (3).
  3. Disconnect the antenna coax cable  (1) from the module (3).

    4. Object Number: 258820 Size: SH
  4. Remove the bolt (1).
  5. Disengage the tab on the module (2) from the slot in the sail panel.

Installation Procedure

    Object Number: 258820 Size: SH
  1. Engage the module tab into the slot.
  2. Rotate the tab down in order to align the hole for the bolt (1).

    3. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the bolt (1).

    4. Tighten
    Tighten the ground antenna to 7.5 N·m (66 lb in).


    Object Number: 258823 Size: SH
  4. Connect the electrical connectors (2) to the module (3).
  5. Connect the antenna coax cable (1) to the module (3).
  6. Install the left sail trim panel. Refer to Sail Panel Replacement in Interior Trim.