GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the rear compartment trim. Refer to Rear Compartment Trim Panel Replacement in Body Rear End.

  2. Object Number: 499315  Size: SH
  3. Disconnect the electrical connectors.
  4. Disconnect the antenna coaxial cable.
  5. Remove the antenna drain hose (2) from the hole in the floor pan.
  6. Remove the ground strap fastener (5).
  7. Remove the lower fastener (3).
  8. Pull the antenna assembly downward in order to remove from the spacer (1).
  9. Remove the antenna assembly.
  10. Remove the antenna mounting bracket fasteners.
  11. Remove the mounting bracket.

Installation Procedure

  1. Install the antenna mounting bracket to the antenna.
  2. Install the fasteners in order to retain the mounting bracket.

  3. Object Number: 499315  Size: SH
  4. Apply a soap and water solution to the inside of the spacer (1).
  5. Insert the top of the antenna up through the spacer.
  6. Push to secure.

  7. Align the lower leg of the antenna bracket to the hole in the inner quarter.
  8. 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.

  9. Install the antenna lower fastener (3).
  10. Tighten
    Tighten the fastener to 9 N·m (80 lb in).

  11. Align the ground strap (4) to the upper bracket.
  12. Install the ground strap fastener (5).

    Tighten
    Tighten the fastener to 6 N·m (53 lb in).

  13. Install the antenna drain hose (2) to the hole in the floor pan.
  14. Connect the antenna coaxial cable.
  15. Connect the electrical connectors.
  16. Install the rear compartment trim. Refer to Rear Compartment Trim Panel Replacement in Body Rear End.