GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the instrument panel trim pad. Refer to Instrument Panel Trim Pad Replacement in Instrument Panel, Gages and Console.

  2. Object Number: 573444  Size: SH
  3. Remove the screw and the center air distributor duct.

  4. Object Number: 283722  Size: SH
  5. Remove the screws and the side air distributor ducts.

Installation Procedure


    Object Number: 573444  Size: SH
  1. Install the center air distribution duct.
  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 air distribution case cover screws.
  4. Tighten
    Tighten the screws to 1.5 N·m (13 lb in).


    Object Number: 283722  Size: SH
  5. Install the side air distribution ducts.
  6. Install the air distributor case cover screws.
  7. Tighten
    Tighten the screws to 1.5 N·m (13 lb in).

  8. Install the instrument panel trim pad. Refer to Instrument Panel Trim Pad Replacement Instrument Panel, Gages and Console.