What controls the blend door actuator?

The blend door actuator is controlled by the vehicle’s climate controls. The blend door can open and close at various positions to block or allow air passing through the heater core in order to achieve the desired temperature inside of the vehicle.

Why does my blend door actuator keep going out?

What Causes a bad blend door actuator? A blend door actuator is linked to an air control door pivot found on the last drive of the unit; a plastic gear set is frequently rotated from one side to another by the electric motor.An actuator can become faulty if the plastic gear set turns out to be fragile and it breaks.

How does the blend door actuator work?

The blend door actuator is a small electric motor that features sensors connected to your car’s climate control system. As you adjust the temperature up and down, or the intensity of the air flow, the signals go through the actuator. … The blend door is called a door because it really is just a flat panel of plastic.

Can you manually turn a blend door actuator?

Insert actuator shaft into A/C air temperature control door and secure A/C electronic blend door actuator to A/C evaporator housing with four retaining screws. … If you can remove the blend air door motor you might be able to manually close it.

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What are the symptoms of a bad blend door actuator?

Here are some of the most common symptoms that a blend door actuator has gone bad:

  1. Clicking Sound. If you hear a repeated light clicking sound coming from under the dash, it can be a bad blend door actuator. …
  2. Wrong Temperature. …
  3. Two Different Temperatures.

How long does it take to fix a blend door actuator?

Expect the replacement work to take one to two hours, including testing.

What happens when an AC actuator goes bad?

A faulty blend door actuator can make your driving unpleasant and uncomfortable. Some of the blend door actuator symptomscan vary from hearing the ticking of noise from your dashboard when you start the car or if the heater in our car is blowing cold or the AC is blowing hot.

Why is my car blowing cold air when the heater is on?

Reason #1: Not Enough Coolant

During the winter when you crank up your heat, the coolant is brought over from the engine to the heater core that then blows warm air into your car. … If cool air continues to blow out, the first thing you should check is your coolant level.

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