Blend Door Actuator Replacement

The blend door or vent door mixes warm and cool air to be sent to your vents.

Blend door actuator replacement.

When you turn the knob on your dash to the desired temperature the actuator moves the blend door to achieve the proper mix. A computer assigned to this duty controls the blend door actuators. What is blend door actuator replacement. Hope y all enjoy this video and let me know what y all t.

An actuator can go bad in of two ways. First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or. In this video i explain how to replace the a c blend door actuator. And what causes them to mess up.

It s a fairly simple process to take that part of the ac unit apart and replace the old motor with a new one. 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. Usually it is the actuator motor that has failed when the actuator is no longer working. It is controlled by a blend door actuator which is a small electric motor.

These are tied into several sensors that detect the outside temperature to compensate for incoming air inside air temperature and even a sensor to signal when a door.