GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 2001 🢒 Silhouette Ext. 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Temperature Valve Actuator Replacement

Removal Procedure
  1. Remove the knee bolster. Refer to Knee Bolster Replacement in Instrument Panel, Gages and Console.

    2. Important: The HVAC controls must be set to the vent mode to position the defroster door lever for access to the air temperature actuator.

  2. Set the HVAC controls to the vent mode to position the defroster door lever.

    3. Object Number: 860415 Size: SH
  3. Remove the temperature door lever bolt (3) from the HVAC module.
  4. Disconnect and remove the temperature door lever spring (2).
  5. Disconnect and remove the temperature door lever (1) from the temperature door.

    6. Object Number: 295297 Size: SH
  6. Disconnect the air temperature actuator electrical connector.

    7. Object Number: 651494 Size: SH
  7. Remove the air temperature actuator mounting screws.
  8. Remove the air temperature actuator.

Installation Procedure

    Object Number: 651494 Size: SH
  1. Install the air temperature actuator.

    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 air temperature actuator mounting screws.

    3. Tighten
    Tighten the screws to 1.6 N·m (14 lb in).


    Object Number: 295297 Size: SH
  3. Connect the air temperature actuator electrical connector.

    4. Important: Align the pin on the air temperature actuator with the slot in the temperature door lever.

  4. Install the temperature door lever (1) to the temperature door.

    5. Object Number: 860415 Size: SH
  5. Connect the temperature door lever spring (2) to the temperature door lever (1) and HVAC module case.
  6. Install the temperature door lever bolt (3) to the HVAC module case.

    7. Tighten
    Tighten the bolt to 0.9 N·m (8 lb in).

  7. Install the knee bolster. Refer to Knee Bolster Replacement in Instrument Panel, Gages and Console.