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.
Hvac blend door actuator symptoms.
Those are some of the heater blend door actuator symptoms you need to watch out for.
What to look out for when dealing with hvac air door actuator issues.
Blend door actuator symptoms explained.
The electronic actuator that controls the direction of airflow is called a blend door actuator.
First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or.
How to diagnose if you have a bad blend door actuator.
Also reprogramming or updating software of the hvac control module may correct issues listed as well.
Learning to recognize common blend door actuator symptoms will help you identify when this part has gone bad and needs to be replaced.
An actuator can go bad in of two ways.
It determines the location from which the air blows out and if it fails then it will affect the performance of your car.
If the plastic gear breaks this might affect the blend door.
The symptoms associated with this are often complaints that the front windshield is slow to defrost or remains foggy.
Causes of a bad blend door actuator.
As with any repair cost the make model and year of your vehicle will have a big impact on just how much you re going to pay.
As mentioned earlier a blend door actuator is linked to the air control door it rotates side by side with the electronic motor.
The symptoms listed can be replicated by a broken blend door blockage in the air ducts or bad sealing foam pads where the blend door seats against.
The climate control system of the car consists of various actuators and the mode door actuator is also a part of it.
As the blend door open or closes to the heat or cold position it opposes the flow of air coming from the blower motor and makes a change in the intensity of the air noise.
On most vehicles the blend door hangs on a vertical or horizontal axis so turning.
A symptom of this problem is an inability to effectively control the vehicle s interior temperature.
Here are the reasons behind the mode door actuator failure.
Blend door actuator replacement cost the cost of replacing a blend door actuator is typically between 300 and 400.
One of the symptoms is a noisy repetitive sound at the back of the glovebox center dash console section where the hvac knobs are based.
