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For 1990-2009 cars only

Mode Valve Actuator Replacement Lower

Removal Procedure


    Object Number: 708551  Size: SH
  1. Remove the instrument panel (IP) carrier. Refer to Instrument Panel Carrier Replacement in Instrument Panel, Gages, and Console.
  2. Remove the front floor air duct. Refer to Floor Air Outlet Replacement .
  3. Remove the air distributor case face (1) and seal (2).
  4. Remove the mode actuator screw (5).
  5. Disconnect the mode actuator linkage  (3) from the mode door by twisting and pulling upward.
  6. Compress the actuator tabs and remove the mode actuator (4) and linkage (3).
  7. Disconnect the vacuum line from the actuator.

Installation Procedure

  1. Connect the vacuum line to the actuator.

  2. Object Number: 708551  Size: SH
  3. Install the mode actuator (4) and linkage (3).
  4. Notice: Refer to Fastener Notice in the Preface section.

  5. Install the mode actuator screw (5).
  6. Tighten
    Tighten the mode actuator screw to 2 N·m (18 lb in).

  7. Install the air distributor case face (1) and seal (2).
  8. Install the front floor air duct. Refer to Floor Air Outlet Replacement .
  9. Install the IP carrier. Refer to Instrument Panel Carrier Replacement in Instrument Panel, Gages and Console.

Mode Valve Actuator Replacement Upper

Removal Procedure

  1. Remove the instrument panel (IP) carrier. Refer to Instrument Panel Carrier Replacement in Instrument Panel, Gages and Console.
  2. Remove the front floor air duct. Refer to Floor Air Outlet Replacement .
  3. Remove the air distributor case face and seal.

  4. Object Number: 718016  Size: SH
  5. Remove the linkage screw holding the lower mode door to the actuator.

  6. Object Number: 718014  Size: SH
  7. Remove the mode door from the holding bracket in order to gain acess to the upper mode actuator screw.
  8. Compress the actuator tabs from inside the HVAC module assembly and remove the upper mode actuator and linkage.

  9. Object Number: 718013  Size: SH
  10. Remove the upper mode actuator screw.
  11. Disconnect the vacuum line from the actuator.

Installation Procedure

  1. Connect the vacuum line.
  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 upper mode actuator screw (5).
  4. Tighten
    Tighten the mode actuator screw to 2 N·m (18 lb in).


    Object Number: 718013  Size: SH
  5. Install the actuator to the HVAC module assembly. Push the tabs inward until an audible click is heard.

  6. Object Number: 718016  Size: SH
  7. Install the lower mode actuator screw and linkage.
  8. Tighten
    Tighten the mode actuator screw to 2 N·m (18 lb in).


    Object Number: 718014  Size: SH
  9. Reinstall the mode door into the retaining bracket.
  10. Install the air distributor case face and seal.
  11. Verify the operation of the mode door making sure it is sealing properly.

  12. Remove the front floor air duct. Refer to Floor Air Outlet Replacement .
  13. Remove the instrument panel (IP) carrier. Refer to Instrument Panel Carrier Replacement in Instrument Panel, Gages and Console.