GM Service Manual Online
For 1990-2009 cars only

Tools required

J 38778 Door Trim Pad Clip Remover

Removal Procedure

    Important: The defroster door must be closed to allow clearance during defroster duct removal.

  1. Set the HVAC controls in the VENT mode to close the defroster door.
  2. Important: Remove the cross vehicle beam with the defroster duct attached.

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

  4. Object Number: 318081  Size: SH
  5. Remove the side window defogger ducts from the defroster outlet duct.

  6. Object Number: 318075  Size: SH
  7. Using the J 38778 remove the defroster outlet duct retaining clips.
  8. Remove the defroster outlet duct from the cross vehicle beam.

Installation Procedure


    Object Number: 318075  Size: SH
  1. Position the defroster outlet duct to the cross vehicle beam.
  2. Connect the defroster outlet duct retaining clips.

  3. Object Number: 318081  Size: SH
  4. Install the side window defogger ducts to the defroster outlet duct.
  5. Install the cross vehicle beam. Refer to Instrument Panel Tie Bar Replacement in Instrument Panel, Gauges and Console.