GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1547652  Size: SH
  1. Remove the instrument panel (I/P) accessory trim plate.
  2. Remove the HVAC control module bolts/screws.
  3. Pull the HVAC control module straight out from the I/P.
  4. Disconnect the HVAC control module electrical connectors.

Installation Procedure


    Object Number: 1547652  Size: SH
  1. Connect the HVAC control module electrical connectors.
  2. Install the HVAC control module into the I/P opening.
  3. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the HVAC control module bolts/screws.
  5. Tighten
    Tighten the bolts/screws to 2.5 N·m (22 lb in).

  6. Install the I/P accessory trim plate.
  7. Re-calibrate the actuators. Refer to Actuator Recalibration .
  8. Refer to Control Module References for programming and setup information.