GM Service Manual Online
For 1990-2009 cars only

Auxiliary Mode Valve Actuator Replacement CJ4

Removal Procedure

  1. Remove the front seats. Refer to Front Seat Replacement - Bucket in Seats.
  2. Remove the front floor console. Refer to Front Floor Console Replacement in Instrument Panel, Gauges and Console.
  3. Remove the HVAC module - Auxiliary. Refer to Auxiliary HVAC Module Replacement .

  4. Object Number: 482462  Size: SH
  5. Disconnect the electrical connector (1) from the mode actuator.
  6. Remove the retaining bolts (2).
  7. Remove the mode actuator (3) from the HVAC module.

Installation Procedure

    Important: Position the mode actuator, then align the slots in the electric actuator driver to the flats on the mode valve shaft.

    Slide the electric actuator driver onto the shaft, while aligning the actuator locating hole to the alignment pin on the HVAC module case. The actuator driver should completely seat onto the mode valve shaft and the mounting holes should be flush with the mounting bosses on the HVAC module case.


    Object Number: 482462  Size: SH
  1. Install the mode actuator (3) to the HVAC module.
  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 mode actuator retaining bolts (2).
  4. Install the retaining bolts.

    Tighten
    Tighten the mode actuator bolts to 1.9 N·m (17 lb in).

  5. Connect the electrical connector (1) to the mode actuator.
  6. Install the HVAC module - Auxiliary. Refer to Auxiliary HVAC Module Replacement .
  7. Install the front floor console. Refer to Front Floor Console Replacement in Instrument Panel, Gauges and Console.
  8. Install the front seats. Refer to Front Seat Replacement - Bucket in Seats.