How Does A Blend Door Actuator Work
In this case the blend door may be moved to divert all of the heated air into the cabin.
How does a blend door actuator work. If your vehicle is only releasing cold air or if you are not able to change the airflow it may be because of a malfunctioning actuator. The blend door is staying in the cold. Does your blower motor work. Then locate and identify the actuator to be replaced.
These units can be either hanging in front of you or in a little more obscure places such as on the side the hvac plenum. Blend door actuator locations. Blend doors move by way of a mechanical device referred to as an actuator. Sometimes the fix needs recalibration and sometimes you need to replace the part that is broken.
If it does and there is no heat the blend door actuator is probably not working and is not letting warm air into the vehicle. In this situation the car may move the blend door to divert most of the heated air to the cabin. Sometimes they can be located in inconvenient places like the top of the heater box. Once the vehicle warms up the blend door may be moved to divert only part of the heated air into the cabin.
When cool air is desired a blend door is closes so that no heat enters the passenger area. A blend door actuator controls the temperature and the flow of the air in a car. Blend door moves by a mechanical unit known as the actuator. The only other way to test the blend door actuator is to test for 12v at connector but you would have to remove the instrument panel in order to gain access to the actuator dec 24.
When the air is cool enough the door will be closed so that no heat would enter the passenger compartment. Begin by identifying the problem either defrost mid or floor or temperature modes not working.
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