GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 404090  Size: SH
  1. Remove the screw retaining the courtesy light to the instrument panel sound insulator.
  2. Remove the instrument panel sound insulator retaining screws
  3. Remove the instrument panel sound insulator from the vehicle.

Installation Procedure


    Object Number: 404090  Size: SH
  1. Install the instrument panel sound insulator to the vehicle.
  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.

  3. Install the instrument panel sound insulator retaining screws.
  4. Tighten
    Tighten the instrument panel sound insulator screws to 1.9 N·m (17 lb in).

  5. Install the screw retaining the courtesy light to the instrument panel insulator.