GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Disconnect the air temperature actuator electrical connector.

  2. Object Number: 691844  Size: SH
  3. Remove the air temperature actuator retaining screws.
  4. Remove the air temperature actuator (1) from the heater assembly (2).

Installation Procedure


    Object Number: 691844  Size: SH
  1. Install the air temperature actuator (1) to the heater assembly (2).
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the air temperature actuator retaining screws and tighten to 1.9 N·m (17 lb in).
  4. Connect the air temperature actuator electrical connector.