GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the left lower quarter trim panel. Refer to Rear Quarter Trim Panel Replacement - Right Side in Interior Trim.
  2. Disconnect the auxiliary mode actuator electrical connector.

  3. Object Number: 691374  Size: SH
  4. Remove the auxiliary mode actuator retaining screws.
  5. Remove the auxiliary mode actuator from the air distribution duct.

Installation Procedure


    Object Number: 691374  Size: SH
  1. Install the auxiliary mode actuator to the air distribution duct.
  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 auxiliary mode actuator retaining screws.
  4. Tighten
    Tighten the screws to 1.6 N·m (14 lb in).

  5. Connect the auxiliary mode actuator electrical connector.
  6. Install the left lower quarter trim panel. Refer to Rear Quarter Trim Panel Replacement - Right Side in Interior Trim.