This procedure replaces the recirculation door actuator in the HVAC system, which controls fresh air versus recirculated air mode inside the cabin.

Warnings

Tools required

Parts

• Recirculation door actuator × 1 — Use OEM specification

Preparation

1. Park vehicle on level ground and engage parking brake
2. Turn ignition off and remove key
3. Disconnect negative battery terminal and wait 3 minutes for airbag system to discharge
4. Allow HVAC system to cool completely if recently operated
5. Ensure front passenger seat is moved fully rearward for working room

Procedure

1. 1

   Remove lower passenger trim panel
   Locate and remove the lower passenger kick panel. Use plastic trim tools to release the retaining clips along the top and side edges. There are typically 4-6 clips holding this panel. Pull gently but firmly once clips are released. Set panel aside in a safe location.
2. 2

   Remove lower glove box panel
   Open the glove box and remove contents. Locate the damper arm on the right side and disconnect it by squeezing the sides. Push inward on both sides of the glove box to release the stop arms, allowing it to drop down fully. Remove the Phillips screws securing the lower glove box panel (typically 4 screws). Carefully remove the panel to expose the HVAC housing.
3. 3

   Locate recirculation actuator
   Using a flashlight, locate the recirculation door actuator on the HVAC housing. It is positioned on the lower right side of the HVAC case, typically a small rectangular motor unit with an electrical connector and mounting screws. The actuator will have a gear mechanism visible on one side that interfaces with the recirculation door.
4. 4

   Disconnect electrical connector
   Press the locking tab on the actuator electrical connector and carefully pull it straight off the actuator. Do not pull on the wires themselves. If the connector is difficult to access, you may need to feel for the locking tab while working by touch. Note the connector orientation for reinstallation.
5. 5

   Remove actuator mounting screws
   Remove the mounting screws securing the actuator to the HVAC housing. There are typically 2-3 Phillips head screws. Keep these screws organized as they will be reused. Note the position and orientation of the actuator before removal.
   Torque spec

   Cover Screws11 Nm (8 lb-ft)
6. 6

   Remove old actuator
   Gently pull the actuator away from the HVAC housing. The gear on the actuator shaft should disengage from the door linkage. If resistance is felt, check that all screws are removed and that the gear is not binding on the door mechanism. Rotate the actuator slightly while pulling if needed to clear the door linkage.
7. 7

   Inspect door mechanism
   With the actuator removed, inspect the recirculation door and linkage mechanism through the actuator opening. Verify the door moves freely by hand and is not broken or binding. Check for debris or obstructions in the door path. The door should move smoothly through its full range of motion.
8. 8

   Install new actuator
   Position the new actuator so its gear aligns with the door linkage. You may need to rotate the actuator gear shaft to the proper position to mesh with the door mechanism. Gently push the actuator into place, ensuring the gear fully engages with the linkage without forcing. The actuator should sit flush against the HVAC housing mounting surface.
9. 9

   Install actuator mounting screws
   Install the mounting screws and tighten them evenly in a cross pattern. Use a torque wrench to tighten screws to specification. Do not overtighten as this can crack the plastic HVAC housing or strip the threads.
   Torque spec

   Cover Screws11 Nm (8 lb-ft)
10. 10

    Reconnect electrical connector
    Push the electrical connector firmly onto the new actuator until you hear or feel it click into place. Gently tug on the connector to verify it is locked. Ensure no wires are pinched or stressed.
11. 11

    Test actuator operation
    Reconnect the negative battery terminal. Turn the ignition to ON position without starting the engine. Cycle the recirculation button on the climate control panel several times. You should hear the actuator motor operating and feel slight vibration if touching the actuator. Wait for the self-calibration cycle to complete (approximately 10-15 seconds).
12. 12

    Reinstall trim panels
    Reinstall the lower glove box panel and secure with the Phillips screws. Reinstall the glove box, ensuring the damper arm and stop arms are properly engaged. Reinstall the lower passenger kick panel by aligning the clips and pressing firmly until all clips snap into place. Verify all panels are secure and properly seated.

Reassembly

1. Ensure all electrical connectors are fully seated and locked
2. Verify all trim panels are properly clipped and secured with no gaps
3. Check that no tools or parts were left in the dashboard area
4. Recalibrate power windows if necessary by rolling each window fully down, then fully up and holding the switch for 2 seconds

Verification

• Start the engine and turn on the climate control system
• Press the recirculation button and verify the indicator light responds correctly
• With the system running, listen for proper actuator operation (brief motor sound when switching modes)
• Check for air flow changes when switching between fresh air and recirculation modes
• Verify no rattles or unusual noises from the dashboard area during operation
• Confirm climate control system operates normally in all modes (defrost, floor, vent, etc.)
• Test that air quality improves in recirculation mode when driving in traffic or dusty conditions

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