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. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the air inlet assembly screws.
  4. 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 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.