Most cars will have either one or two actuators, but your car may have more of them if it has the ability to control the temperature in different zones or multi-zone climate control as carmakers often say. Then the actuator will adjust the blend door accordingly. When you adjust the settings in your A/C system, such as the temperature and the airflow, the signals will go through the actuator. Within it lies several gears and an electronic system that controls the motor. The blend door actuator takes the shape of a small plastic box with a wire connector attached to it. It’s basically a small electric motor that has sensors that are connected to your car’s air-conditioning system. The actuator is basically just another word for ‘motor’, so it’s a motor that controls the blend door. Okay, so what exactly is a blend door actuator? Well, the blend door is what controls the direction of the airflow in your car’s air-conditioning system. Frequently Asked Questions (FAQs) Blend Door Actuator.On top of that, you can find loads more tips and tricks on the blend door actuator here. Moreover, there are plenty of in-depth explanations on how you can troubleshoot and solve each of these symptoms and their underlying causes.
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If it does, you may need to replace it, and we’ll be discussing the replacement cost and how to do it yourself as well.Īside from that, we’ll then take a closer look at how you can diagnose and test the blend door actuator for failures. We’ll list down the blend door actuator symptoms below and you can see if your car has any of the symptoms. Once it fails, you will notice blend door actuator symptoms with your car.īlend door actuator problems won’t prohibit you from driving, but they can make life inside the car uncomfortable. However, it’s actually quite an important part of your car’s air-conditioning system. The blend door actuator is probably something you’ve never heard of in a car.
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