GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the I/P carrier. Refer to Instrument Panel Carrier Replacement in Instrument Panel, Gages and Console.

  2. Object Number: 735989  Size: SH
  3. Disconnect the electrical connector from the mode actuator.
  4. Remove the screws from the mode actuator (3).
  5. Remove the mode actuator.

Installation Procedure


    Object Number: 735989  Size: SH
  1. Install the mode actuator (3).
  2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the screws to the mode actuator (3).
  4. Tighten
    Tighten the screws to 1.9 N·m (17 lb in).

  5. Connect the mode actuator electrical connector.
  6. Install the I/P carrier. Refer to Instrument Panel Carrier Replacement in Instrument Panel, Gages and Console.
  7. Calibrate the air temperature actuator on vehicles equipped with automatic climate control (C68). Refer to Actuator Recalibration .