Explorer Sport Trac 2WD V6-4.0L VIN E (2002)
Air Door Actuator / Motor: Description and Operation
A/C Electronic Blend Door Actuator
The A/C electronic blend door actuator is located on the rear of the A/C evaporator housing.
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Its function is to move the air temperature blend doors on command from the temperature control switch.
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The A/C electronic blend door actuator contains a reversible electric motor and a potentiometer. The potentiometer wiper is connected to the
actuator output shaft and moves with the output shaft to indicate the position of the air temperature blend door.
Vacuum Control Motors
The vacuum control motors:
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are located on the A/C evaporator housing, A/C recirculating air duct and beater air plenum chamber.
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direct system airflow to the vehicle interior as determined by the function selector switch.