QA

Quick Answer: What Does The Blend Door Actuator Do

The blend door actuators, also called HVAC actuators, control the position of the vents that control the flow of air into your vehicle’s passenger area. When the blend door actuators are not working properly, this can result in the heating or the air conditioning failing to enter the passenger area.

What happens when an actuator goes bad?

If the temperature of air coming out of your car’s vents is inconsistent, meaning it changes between hot and cold without touching the controls, that could be a sign that your blend door actuator isn’t working properly. If your blend door actuator has broken completely, you might get the wrong temperature.

How do I know if my actuator is bad?

Symptoms of a Faulty Door Lock Actuator Power Door Lock Doesn’t Work. A single bad door lock actuator can prevent one of your car’s power door locks from working. Power Door Lock Operates Erratically. Strange Noises When Operating the Power Lock. Sluggish Operation From the Door Lock.

Does the blend door need to be open or closed for heat?

There are just flaps inside the ducts, called blend doors, operated by vacuum motors, that open and close to allow heat or stop heat from coming through the vents into the passenger compartment. And it sounds like one of your blend door motors is no longer working and that door is stuck in the open position.

What causes blend door actuator to go bad?

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.

Can you manually move the blend door actuator?

The actuator is what needs replacing. The arm/hinge that is moving up and down is just the thing you need to grab with your finger to manually flip the blend door over to the hot temp side.

How do I know which blend door actuator is bad?

Suppose you hear a droning or faint clicking repetitively from the dashboard, around the center area, where your HVAC system control knobs are located. In that case, that indicates you have a bad blend door actuator. A faint clicking or droning sound underneath the dash is usually a blend door actuator noise.

Does the blend door actuator have a fuse?

The blend door actuator fuse in Your 2010 Ford F-150 can be found in the fuse panel that is located in the passenger’s footwell. The panel can be found behind a plastic door that has fuse written on it. The blend door actuator controls the blend door’s position.

How much does it cost to replace blend door actuator?

Blend Door Actuator Replacement Cost The blend door actuator usually costs between $100 – $300 depending on the car’s make and model, before labor costs. On average you can expect to pay around $150 for the actuator itself.

Will a blend door actuator cause no heat?

If the door moves easily, then the problem is in the blend door actuator or the heater control head. If the motor fails when the door is closed, that could cause a no heat in car condition. During air conditioning season, a bum blend door actuator can fail in a full or partially open position.

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

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

Where is blend door actuator?

The blend door actuator(s) are typically located on the climate control case behind the dashboard.

Where is actuator located?

The AC actuator is located above or below the coil. It can be set to either single speed or variable speed. When it is not working properly, your AC will be ineffective, and your power bills can skyrocket.

What is aircon actuator?

The AC actuator moves air distribution doors to two or more positions to direct air flow for heating and A/C vents. The AC actuator is located underneath the dashboard attached to air distribution doors in the hvac box. The motors can move the doors into many different positions, or just two.

Why is the heat stuck on in my car?

Most Common Causes of Car Heater Malfunction The heater switching system might be faulty. The cabin air filter might be choked, restricting the airflow through the heater core. The thermostat valve might not be working right. The heater core might be clogged.

Can a bad blend door actuator drain battery?

The door lock actuator has a battery drain. The battery runs down when the interior lights stay on longer than normal. It’s a bad actuator if it doesn’t work 100 percent of the time.

Why is my car blowing hot air on one side and cold air on the other?

Blend door actuators are the most common reason for the car air conditioning to blow cold air on one side and hot air on the other. They can be diagnosed with an advanced scan tool. If it does not move with the adjustments and commands, there is a problem with the blend door actuator and it will need to be replaced.

Why is my AC cold on one side?

Due to the design of dual AC systems, low refrigerant is the leading cause of drastic temperature difference from one side of the dash to the other. In most cases after the proper charge of Freon is in the car, the temp will blow equally as cold like it should on BOTH sides!Dec 27, 2019.