GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1681425  Size: SH
  1. Remove the instrument panel (I/P) accessory trim plate. Refer to Instrument Panel Accessory Trim Plate Replacement.
  2. Remove the HVAC control module screws.
  3. Remove the HVAC control module from the I/P.
  4. Disconnect the electrical connectors from the HVAC control module.

Installation Procedure


    Object Number: 1681425  Size: SH
  1. Connect the electrical connectors to the HVAC control module.
  2. Install the HVAC control module into the I/P.
  3. Caution: Refer to Fastener Caution in the Preface section.

  4. Install the HVAC control module screws and tighten to 1.9 N·m (17 lb in).
  5. Install the I/P accessory trim plate. Refer to Instrument Panel Accessory Trim Plate Replacement.