Why is my Blend door on my car broken?
Heater and air conditioner blend door failure is a common problem on many popular passenger car, truck, SUV and van models. A symptom of this problem is an inability to effectively control the vehicle’s interior temperature.
What are the symptoms of a bad blend door actuator?
If the air is cooler than in the vent position, then the blend door is the problem. However, if you have to turn the temperature in a cold position, then the problem is with the cooling system. Those are some of the heater blend door actuator symptoms you need to watch out for.
Is there a problem with my Blender actuator?
Knocking: This is an unusual symptom, but if you’re experiencing this, it’s almost definitely a problem with your blender actuator. When you start the car, or just the AC system, and notice a knocking sound like someone tapping on your door, that is indicative of a problem with the blend door actuator.
What kind of motor does a blend actuator use?
It is usually powered using a vacuum or a small motor which is mouthed with the assembly (heat and air). A blend actuator has an electronic motor that turns a plastic gear set in different directions. Then at the final drive of the unit, it is connected to an air control pivot door.
Heater and air conditioner blend door failure is a common problem on many popular passenger car, truck, SUV and van models. A symptom of this problem is an inability to effectively control the vehicle’s interior temperature.
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. Often, adjusting the temperature settings ever so slightly can stop the noise temporarily.
Knocking: This is an unusual symptom, but if you’re experiencing this, it’s almost definitely a problem with your blender actuator. When you start the car, or just the AC system, and notice a knocking sound like someone tapping on your door, that is indicative of a problem with the blend door actuator.
It is usually powered using a vacuum or a small motor which is mouthed with the assembly (heat and air). A blend actuator has an electronic motor that turns a plastic gear set in different directions. Then at the final drive of the unit, it is connected to an air control pivot door.