A C Heater Blend Door Actuator

In this video i explain how to replace the a c blend door actuator.

A c heater blend door actuator.

Air door actuator replaces 15 73952 52495593 89018374 604 112 compatible with chevy gmc cadillac hummer 2003 2014 models hvac blend control actuator air heater blend door 4 5 out of 5 stars 392. An hvac heater blend door actuator is what moves the blend door to divert warm or cool air into differ ent passages within the hvac system and keep the passenger cabin at the desired temperature. A c heater blend door actuator. After warming up the vehicle the blend door will be shifted to change just a part of the heated air to the cabin.

When the air is cool enough the door will be closed so that no heat would enter the passenger compartment. The blend door or vent door mixes warm and cool air to be sent to your vents. An actuator can go bad in of two ways. Air door actuator replaces 15 73952 52495593 89018374 604 112 compatible with chevy gmc cadillac hummer 2003 2014 models hvac blend control actuator air heater blend door 4 5 out of 5 stars 396.

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. 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. It is controlled by a blend door actuator which is a small electric motor.

Also called hvac actuators these small electric motors control the. Blend door moves by a mechanical unit known as the actuator. When you turn the knob on your dash to the desired temperature the actuator moves the blend door to achieve the proper mix. An actuator moves the blend door automatically.

As autos had more and more labor saving devices added as standard equipment heater and air conditioning controls could be operated with less effort when automakers started installing blend door actuators. And what causes them to mess up.