GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1646802  Size: SH
  1. Remove the instrument panel upper trim panel. Refer to Instrument Panel Upper Trim Panel Replacement .
  2. Disconnect the electrical connector from the recirculation actuator.
  3. Remove the recirculation actuator screws from the HVAC module.
  4. Remove the recirculation actuator from the HVAC module.

Installation Procedure


    Object Number: 1646802  Size: SH
  1. Align the recirculation actuator with the door shaft and rotate into position.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the recirculation actuator screws to the HVAC module.
  4. Tighten
    Tighten the screws to 1.5 N·m (13 lb in).

  5. Connect the electrical connector to the recirculation actuator.
  6. Calibrate the actuators. Refer to Actuator Recalibration.
  7. Cycle the ignition and verify proper operation.
  8. Install the instrument panel upper trim panel. Refer to Instrument Panel Upper Trim Panel Replacement .