GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the cross vehicle beam. Refer to Instrument Panel Tie Bar Replacement in Instrument Panel, Gauges and Console.

  2. Object Number: 176880  Size: SH
  3. Remove the screws and the defroster air distribution duct.

Installation Procedure


    Object Number: 176880  Size: SH
  1. Install the defroster 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 mounting screws.
  4. Tighten
    Tighten the air distribution duct screws to 1.5 N·m (13 lb in).

  5. Install the cross vehicle beam. Refer to Instrument Panel Tie Bar Replacement in Instrument Panel, Gauges and Console.