Air Door Actuator Symptoms

Diagnosing the air conditioning air flow actuator the electronic actuator that controls the direction of airflow is called a blend door actuator.

Air door actuator symptoms.

Running hot cold heater and air conditioner blend door failure is a common problem on many popular passenger car truck suv and van models. A plastic gear set is frequently rotated from one side to another by the electric motor. As mentioned earlier a blend door actuator is linked to the air control door it rotates side by side with the electronic motor. Often adjusting the temperature settings ever so slightly can stop the noise temporarily.

If you hear a repeated light clicking sound coming from under the dash it can be a bad blend door actuator. A door lock actuator is basically a reversible motor or a solenoid on some vehicles with gears that operate the door lock. On most vehicles the blend door hangs on a vertical or horizontal axis so turning. An actuator can go bad in of two ways.

The symptoms associated with this are often complaints that the front windshield is slow to defrost or remains foggy. Here are the reasons behind the mode door actuator failure. Those are some of the heater blend door actuator symptoms you need to watch out for. Here are some of the most common symptoms that a blend door actuator has gone bad.

An actuator can become faulty if the plastic gear set turns out to be fragile and it breaks. A blend door actuator is linked to an air control door pivot found on the last drive of the unit. First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or. Poor ac performance due to the outside hot air leaking into the hvac box and then the cabin compartment.

Causes of a bad blend door actuator. The symptoms of a bad recirculation air door actuator are clicking noise coming from behind the dashboard. 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 climate control system of the car consists of various actuators and the mode door actuator is also a part of it.

It determines the location from which the air blows out and if it fails then it will affect the performance of your car. When the actuator fails or starts to fail you ll likely notice one or more symptoms that make your daily commute less pleasant. How to test blend door actuator climate control heater temp control any car in this video we will show you how to test blend door actuator and to make sur. Exhaust fumes inside the cabin.

If the plastic gear breaks this might affect the blend door.