GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 95643  Size: SH
  1. Remove the I/P upper trim pad. Refer to Instrument Panel Upper Trim Pad Replacement in Instrument Panel, Gages and Console.
  2. Remove the DRL and sunload temperature sensor wire retainers from the windshield defroster duct.
  3. Remove the windshield defroster duct retaining screws.
  4. Release the windshield defroster duct from the LH and RH side window lower defogger outlet ducts.
  5. Lift the windshield defroster duct slightly, then use a twisting motion to release from the side window lower defogger ducts.

  6. Remove the defroster duct.

Installation Procedure


    Object Number: 95643  Size: SH
  1. Install the defroster duct.
  2. Use a twisting motion to secure the windshield defroster duct to the LH and RH side window lower defogger outlet ducts.

  3. Lower the windshield defroster duct into position and align the duct with the opening of the HVAC module and the I/P upper support beam.
  4. 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.

  5. Install the windshield defroster duct LH retaining screw first (net location), then install the RH retaining screw.
  6. Tighten
    Tighten the screws to 10 N·m (89 lb in).

  7. Install the DRL and sunload temperature sensor wire retainers to the windshield defroster duct.
  8. Install the I/P upper trim pad. Refer to Instrument Panel Upper Trim Pad Replacement in Instrument Panel, Gages and Console.