GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1646802  Size: SH
  1. Remove the HVAC module. Refer to HVAC Module Assembly Replacement .
  2. Disconnect the electrical connector from the recirculation actuator.
  3. Remove the recirculation actuator screws.
  4. Remove the recirculation actuator.

  5. Object Number: 1646783  Size: SH
  6. Remove the air inlet assembly screws.
  7. Remove the air inlet assembly.

Installation Procedure


    Object Number: 1646783  Size: SH
  1. Install the air inlet assembly.
  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 air inlet assembly screws.
  4. Tighten
    Tighten the screws to 1.5 N·m (13 lb in).


    Object Number: 1646802  Size: SH
  5. Install the recirculation actuator.
  6. Install the recirculation actuator screws.
  7. Tighten
    Tighten the screws to 1.5 N·m (13 lb in).

  8. Install the electrical connector to the recirculation actuator.
  9. Install the HVAC module. Refer to HVAC Module Assembly Replacement .