Increase your driving comfort with an a c heater blend door actuator if your car or truck passengers don t seem to be getting all the benefits of your vehicle s heating or a c system you could have a non working a c heater blend door actuator.
Blend door actuator motor.
It is controlled by a blend door actuator which is a small electric motor.
And what causes them to mess up.
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In this video i explain how to replace the a c blend door actuator.
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.
What is blend door actuator replacement.
It s a fairly simple process to take that part of the ac unit apart and replace the old motor with a new one.
First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or.
Usually it is the actuator motor that has failed when the actuator is no longer working.
Also called hvac actuators these small electric motors control the flow and blend of hot and cold.
An actuator can go bad in of two ways.