Hvac Mode Door Actuator

Acdelco gm original equipment hvac mode door actuators are electric motors attached to the hvac housing that move or actuate the mode doors or flaps directing the airflow to the desired outlet vents.

Hvac mode door actuator. Call 800 505 3274 or shop online. It determines the location from which the air blows out and if it fails then it will affect the performance of your car. Air conditioning cases contain air doors that control the flow of air through the system. Remove center vent 3 philips screws and stick hand down to reach door.

First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or. Remove mode door actuator linkage if it didn t fall off 5. Try and move it to get unstuck. The hvac control head expects to see the actuator move to a certain position with the given signal provided if the door gets outside of that preprogrammed position the controller becomes confused and attempts to try and find the correct position by continually searching for it or will stop once it reaches its default position.

Remove blend and mode door actuators. A blend door actuator is made up of an electric motor that turns a plastic gear set in one direction or another which is connected to an air control door pivot at the final drive of the unit. Remove actuator shield 3 t20 screws 4. These original equipment hvac mode door actuators are gm recommended replacements for your vehicle s original components and have been.

4 t20 screws 3. Learn how to reset the hvac actuator with acdelco. There are at least three diverter doors and one blend door in the basic air conditioning system. An actuator can go bad in of two ways.

The climate control system of the car consists of various actuators and the mode door actuator is also a part of it. Acdelco gm original equipment hvac mode door actuators are electric motors attached to the hvac housing that move or actuate the mode doors or flaps directing the airflow to the desired outlet vents.