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Blend door actuator replacement.
And what causes them to mess up.
In this video i explain how to replace the a c 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.
A computer assigned to this duty controls the blend door actuators.
Usually it is the actuator motor that has failed when the actuator is no longer working.
It is controlled by a blend door actuator which is a small electric motor.
What is blend door actuator replacement.
The blend door or vent door mixes warm and cool air to be sent to your vents.
First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or.
The blend door actuators in a buick are electrically operated by blend door motors.
These are tied into several sensors that detect the outside temperature to compensate for incoming air inside air temperature and even a sensor to signal when a door.
It s a fairly simple process to take that part of the ac unit apart and replace the old motor with a new one.
The average cost for a hvac blend door actuator replacement is between 309 and 363.