![]() ![]() ![]() Each time you notice a Knocking or tapping sound when you start your vehicle or turn on the HVAC system, it signifies an issue with the blend door actuator. Knocking sound under the dash : This is quite uncommon, but whenever you notice a Knocking sound under the glove box, the blend door actuator is likely the culprit. If the actuator plastic gears deteriorate, the teeth will break off and cause slipping when you turn the HVAC knobs. You will hear this sound due to a bad door blender in some cases. Most times, switching the climate control dial can temporarily stop the noise. This noise may be obvious when you switch on your vehicle AC system or turn on the climate control dial. A faint clicking or droning sound underneath the dash is usually a blend door actuator noise. In that case, that indicates you have a bad blend door actuator. Suppose you hear a droning or faint clicking repetitively from the dashboard, around the center area, where your HVAC system control knobs are located. If you’re searching for any vehicle or Tacoma blend door actuator symptoms, you will find the answers in the next few paragraphs.Ĭlicking sound beneath the dashboard : If you’re having problems with your climate control, turn on the AC and climate control system and pay close attention to the dashboard. ![]() Whenever any system component of your vehicle fails, symptoms will pop up to tell the driver of an issue that needs attention, and the blend door actuator is no exception. If you need cool air, the actuator will turn to the close position to prevent heat from entering the vehicle. You might need warm air when the vehicle is cold or vice versa when you turn the climate control dial, the blend door will have to send in the desired air. The blend door is a plastic box located on an under-trim panel, responsible for sending cool or warm air within the vehicle to keep the passengers comfortable. The dual blend door actuator is mostly found on newer cars with the feature to set front or rear passenger climate separately. Some cars have a dual blend door actuator that enables the driver to control the climate in different time zones. What does the actuator do? The blend door actuator decides whether the air is going to come through the mid-vent, floor vents, and control defrost, and so on. When you adjust the actuator airflow intensity or turn the temperature dial-up and down, the input signal passes through the actuator. What is the blend door actuator?Ī blend door actuator is an electric HVAC motor that works together in harmony with sensors connected to your climate control system. Knowing defective blend door actuator symptoms will help you do a quick blend door actuator repair and save you from expensive repair costs. Whenever you have a problem controlling the air circulating inside your vehicle, or if it’s stuck at blowing full blast, or making a tapping noise as if someone is tapping on your door, chances are you have a problem with the blend door actuator. Whether it's motor oil, car batteries, brakes, or headlights for quick easy DIY jobs, or a more complex project like replacing your vehicle's head gasket or exhaust pipes, you'll find everything you need right here at Pep Boys.Blend door actuator is an HVAC system component that controls the temperature and airflow inside a vehicle. Quickly and easily search for the parts you need based on the year, make, and model of your vehicle. Pep Boys carries the OEM and aftermarket parts and accessories you need to repair, maintain, or customize your vehicle. We know there's more to driving than keeping your vehicle running. Price Match PolicyThe purpose of the Pep Boys Price Match Policy is to ensure that we are the automotive solutions provider of choice for the value-oriented customer, putting the customer first by offering the best value available.įor retail: We will match any local competitor's advertised or every-day price, on any comparable merchandise normally stocked as active in our stores' inventory or outside purchase, within 30 days of purchase with the original receipt.įor tires: We will match any local competitor's advertised or every-day price, on comparable tires within 90 days of purchase with the original receipt.įor service: We will match a local competitor's advertised or every-day price, on comparable automotive services utilizing comparable merchandise.Ĭar & Truck Replacement PartsPep Boys carries the parts you need to keep your car or truck running for years to come. ![]()
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