GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1378534  Size: SH
  1. Remove the instrument panel trim pad. Refer to Instrument Panel Upper Trim Pad Replacement in Instrument Panel, Gages and Console.
  2. Remove the Inflatable restraint Instrument panel module. Refer to Inflatable Restraint Instrument Panel Module Replacement in SIR.
  3. Remove the retaining screw from the driver side outer duct (4).
  4. Separate the driver side inner duct (3) from the outer duct.
  5. Remove the inner duct from the HVAC module outlet.
  6. Remove the driver side inner and outer ducts from the vehicle.

  7. Object Number: 1378533  Size: SH
  8. Remove the passenger side duct (1) from the HVAC module outlet.
  9. Remove the passenger side duct from the vehicle.

Installation Procedure


    Object Number: 1378533  Size: SH
  1. Install the passenger side duct (1) to the vehicle.
  2. Install the passenger side duct to the HVAC module outlet.

  3. Object Number: 1378534  Size: SH
  4. Install the driver side inner duct (3) and outer duct (4) to the vehicle.
  5. Install the inner duct to the HVAC module outlet.
  6. Connect the driver side inner duct to the outer duct.
  7. 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.

  8. Secure the driver side outer duct with the retaining screw.
  9. Tighten
    Tighten the screws to 2 N·m (18 lb in).

  10. Install the Inflatable restraint Instrument panel module. Refer to Inflatable Restraint Instrument Panel Module Replacement in SIR.
  11. Install the instrument panel trim pad. Refer to Instrument Panel Upper Trim Pad Replacement in Instrument Panel, Gages and Console.