To service and repair the air door actuator / motor, begin by removing the right instrument panel insulator panel and the ip compartment to be removed. Release the two vacuum lines the defroster actuator and tighten the orange vacuum line to the recirculation actuator then install a hand Vacuum Pump. In its attachment to the hvac module case, remove the defroster actuator. If ease of access is affecting you, then it is renown to use the hand Vacuum Pump to fully open the recirculation actuator door, rotate the defroster actuator to the right and up into the space where it would blend with the back of the dash and the hvc module. Modify the defroster actuator from defroster door arm. For the installation of the device, fix the defroster actuator on the arm of the defroster door and snap it into the number of the hvac module. Attached the vacuum line to the actuator, removed hand Vacuum Pump , reattached vacuum line to the recirculation actuator. Finally, reinstall the i/p compartment and the right instrument insulator panel.