GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the IP assembly. Refer to Instrument Panel Assembly Removal in Instrument Panel, Gauges and Console.

  2. Object Number: 327279  Size: SH
  3. Remove the duct mounting screws (1).
  4. Remove the duct (2).

Installation Procedure


    Object Number: 327279  Size: SH
  1. Install the duct (2).
  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 duct mounting screws (1).
  4. Tighten
    Tighten the screws to 2 N·m (18 lb in).

  5. Install the side window defogger adapters.
  6. Install the IP assembly. Refer to Instrument Panel Assembly Removal in Instrument Panel, Gauges and Console.