Disconnect the wire terminal from the "negative" terminal of the battery.
Removing the glove box (see Removing the glove box).
Disconnect the wiring harness from the damper actuator (Dashboard removed for clarity).
By pressing a screwdriver on the thrust lock, turn the lock and disconnect the thrust from the drive (for clarity shown on the removed heater).
Using a Phillips screwdriver, unscrew the three screws securing the drive (for clarity shown on the removed heater)
and remove the damper actuator.
Install the recirculation damper actuator in reverse order.