Begin servicing and repairing the Air Door Actuator / Motor by removing the right side knee bolster, the steel plate and finally the Heater (A/C)
Air Ducts. After that, open the actuator cover and add labels to the vacuum lines before disconnecting them. Release the C-clip bound around the actuator arm, then undo the screws or nuts and remove the vacuum actuator from the mount. For removing the machine, do everything in the same way, but in reverse.