GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2005 🢒 Rainier - 2WD 🢒 HVAC 🢒 HVAC Systems - Automatic 🢒 Auxiliary Mode Valve Actuator Replacement

Removal Procedure
  1. Remove the right rear quarter trim panel. Refer to Rear Quarter Trim Panel Replacement - Right Side in Interior Trim.

    2. Object Number: 814584 Size: SH
  2. Disconnect the electrical connector from the mode actuator-auxiliary (1).
  3. Remove the mode actuator-auxiliary (1) from the HVAC module-auxiliary.
  4. Remove the retaining screws from the mode actuator-auxiliary.

Installation Procedure

    Object Number: 814584 Size: SH
  1. Install the mode actuator (1) to the HVAC module-auxiliary.

    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.

  2. Install the screws to the mode actuator-auxiliary.

    3. Tighten
    Tighten the screws to 1.9 N·m (17 lb in).

  3. Connect the electrical connector to the mode actuator-auxiliary (1).
  4. Install the right rear quarter trim panel. Refer to Rear Quarter Trim Panel Replacement - Right Side in Interior Trim.
  5. Calibrate the HVAC module actuators. Refer to Actuator Recalibration in HVAC Systems - Automatic.