GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1998 🢒 Park Avenue 🢒 HVAC 🢒 HVAC Systems - Automatic 🢒 Air Mix Actuator Replacement - Driver

Removal Procedure

    Object Number: 292138 Size: SH
  1. Remove the left side sound insulator. Refer to Instrument Panel Insulator Panel Replacement in Instrument Panel, Gauges and Console.
  2. Remove the aspirator muffler.
  3. Disconnect the electrical connector from the driver air mix actuator.
  4. Remove the driver air mix actuator retaining screws (1).

    5. Object Number: 292133 Size: SH
  5. Remove the driver air mix actuator.

Installation Procedure

    Object Number: 292133 Size: SH
  1. Install the driver air mix actuator.

    2. Object Number: 292138 Size: SH

    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 driver air mix retaining screws (1).

    3. Tighten
    Tighten the screws to 1.4 N·m (12 lb in).

  3. Connect the electrical connector to the driver air mix actuator.
  4. Install the aspirator muffler.

    5. Important: After the actuator has been replaced, the actuator must be recalibrated for proper travel. The ignition must be cycled on for 3 minutes in order to allow the programmer and the actuators time to recalibrate for proper travel.

  5. Install the left side sound insulator. Refer to Instrument Panel Insulator Panel Replacement in Instrument Panel, Gauges and Console.