Hvac Blend Door Actuator

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.

Hvac blend door actuator.

Like any mechanical device a blend door actuator will eventually fail. Hvac actuator recalibration procedure for gm trucks and suvs author sparky posted on august 12 2011 june 10 2016 categories actuators vent control tags actuators cadillac chevrolet and gmc trucks recalibration. And what causes them to mess up. First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or.

Hope y all enjoy this video and let me know what y all t. It is controlled by a blend door actuator which is a small electric motor. When some autos are assembled at the factory. 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. Also called hvac actuators these small electric motors control the flow and blend of hot and cold. 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. When you turn the knob on your dash to the desired temperature the actuator moves the blend door to achieve the proper mix.

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. Blend door actuator replaces 89018365 604 106 52402588 fits 1994 2012 chevrolet chevy gmc silverado 1500 and 2500 tahoe sierra air door actuator hvac blend control act 4 3 out of 5 stars 168. This is due to the actuator being buried within the heat and air assembly behind the dashboard. The electric motor that powers the actuator controls the flow and blend of hot and cold air within the cabin by opening and closing the vent doors.

A certain method to move a blend door a couple of systems would take more than a little time and effort to control. The blend door or vent door mixes warm and cool air to be sent to your vents.