Blend Door Actuator Motor

Like any mechanical device a blend door actuator will eventually fail.

Blend door actuator motor.

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. Replacement parts to fix the problem may be as little as a few dollars but the labor charges to replace it may go into the hundreds. Also called hvac actuators these small electric motors control the flow and blend of hot and cold. It is controlled by a blend door actuator which is a small electric motor.

It s a fairly simple process to take that part of the ac unit apart and replace the old motor with a new one. Blend door actuator in some car models manufactured before 1980 the blend door might have been activated by metal cables which were directly connected to the lever of temperature control on the dash. A certain method to move a blend door a couple of systems would take more than a little time and effort to control. An actuator can be powered by vacuum or by a small motor mounted within the heat and air assembly.

An actuator can go bad in of two ways. When you turn the knob on your dash to the desired temperature the actuator moves the blend door to achieve the proper mix. First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or. 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.

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