GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Generic 🢒 2004 🢒 Unit Repair 🢒 Accessories 🢒 Entertainment 🢒 Antenna Buffer Replacement

Removal Procedure

    Object Number: 214778 Size: SH
  1. Remove the roof bow interior trim panel. Refer to Rear Roof Bow Trim Panel Replacement in Interior Trim.
  2. Disconnect the rear lift window antenna cable connector and the rear lift window antenna extension cable from the antenna buffer.

    3. Object Number: 171885 Size: SH
  3. Remove the screws retaining the antenna buffer to the roof bow.
  4. Remove the antenna buffer.

Installation Procedure

    Object Number: 171885 Size: SH
  1. Install the antenna buffer into position on the roof bow.

    2. 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.

  2. Install the antenna buffer retaining screws.

    3. Tighten
    Tighten the antenna buffer retaining screws to 1.8 N·m (16 lb in).


    Object Number: 214778 Size: SH
  3. Connect the rear lift window antenna cable connector and the rear lift window antenna extension cable to the antenna buffer.
  4. Install the roof bow interior trim panel; use care to not damage the rear antenna cable. Refer to Rear Roof Bow Trim Panel Replacement in Interior Trim.