GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the HVAC module. Refer to HVAC Module Assembly Replacement .

  2. Object Number: 933004  Size: SH
  3. Disconnect the electrical connector from the recirculation actuator.
  4. Unclip the wire harness from the HVAC module end bracket.
  5. Remove the end bracket screws from the air inlet assembly.
  6. Remove the end bracket nuts from the blower case assembly.
  7. Remove the end bracket from the blower case assembly.

  8. Object Number: 932977  Size: SH
  9. Remove the recirculation actuator screws.
  10. Remove the recirculation actuator.
  11. Remove the air inlet assembly screws.
  12. Remove the air inlet assembly.

Installation Procedure

  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 N·m (9 lb in).


    Object Number: 932977  Size: SH
  5. Install the recirculation actuator.
  6. Install the recirculation actuator screws.
  7. Tighten
    Tighten the screws to 1 N·m (9 lb in).


    Object Number: 933004  Size: SH
  8. Route the HVAC module harness through the end bracket bottom hole and install the bracket.
  9. Install the end bracket screws.
  10. Tighten
    Tighten the screws to 2 N·m (18 lb in).

  11. Install the end bracket nuts.
  12. Tighten
    Tighten the nuts to 2 N·m (18 lb in).

  13. Clip the wire harness to the end bracket.
  14. Install the electrical connector to the recirculation actuator.
  15. Install the HVAC module. Refer to HVAC Module Assembly Replacement .