Durango 2WD V8-4.7L Flex Fuel (2009)
Air Door Actuator / Motor: Description and Operation
Mode Door Actuator - Description
Front
DESCRIPTION
The two mode door actuators (floor/defrost and panel door) (1) are reversible, 12-volt direct current (DC), servo motors. Both mode door actuators are
located near the drivers side end of the HVAC housing. The mode door actuators are mechanically connected to the floor/defrost and the panel-air door.
Both mode door actuators are interchangeable with each other and with the actuators for the blend-air door and the recirculation-air door. Each actuator
is contained within an identical black molded plastic housing with an integral wire connector receptacle. Three integral mounting tabs allow the actuator
to be secured to the top of the HVAC housing. Each actuator also has an identical output shaft with splines that connects it to the mode-air doors. The
mode door actuators do not require mechanical indexing to the mode-air doors, as they are electronically calibrated by the A/C-heater control.
Rear
DESCRIPTION
The rear mode door actuator (1) is a reversible, 12 volt direct current (DC), servo motor. The rear mode door actuator is located on the inboard side of
the rear heater-A/C housing. The rear mode door actuator is contained within a black molded plastic housing which has an integral wire connector
receptacle (2), three integral mounting tabs (4) and an output shaft with splines (3) that connect the actuator to the rear mode-air door. The rear mode
door actuator is interchangeable with the actuator for the blend-air door.
The rear mode door actuator does require mechanical indexing to the rear mode-air door, as it is electronically calibrated by the A/C-heater control.
