Check the Blend Door Actuator - … By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Learning to recognize common blend door actuator symptoms will help you identify when this part has gone bad and needs to be replaced. 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. Funny the guy was even trying to tell me that it controls a different blend door and that it does go on my jeep, but he also said he had no experience in repairing an HVAC system on a car. I had to take the dash loose and tilt it back to get to it. An actuator can be powered by vacuum or by a small motor mounted within the heat and air assembly. The settings work for different aspects such as temperature, floor, mid vent, defrost, and fresh air. What is a blend door? HVAC Blend Door Actuator - Repair or Replace If air is coming out of the wrong vents or at the wrong temperature, or if you’re hearing a strange rhythmic clicking noise from your dashboard, your Toyota Highlander may have a failed blend door actuator. An actuator can become faulty if the plastic gear set turns out to be fragile and it breaks. So, the idea is to check the whole assembly and not just the actuator. Now, it is time to install the new actuator. I have a 2004 Eddie Bauer Expedition. Blend door is heat an cooling it sets rough temperature to where you want air door actuator tends to be fresh an recirculating air flow. An actuator can go bad in of two ways; first the electric motor can burn out rendering the unit non-responsive so nothing changes when the temperature or vent mode controls are moved. Replacement parts to fix the problem may be as little as a few dollars, but the labor charges to replace it may go into the hundreds. With manual dual zone A/C/heater the bottom actuator controls temp on the drivers side. The Dodge caravan has actuators in the door, which means that airflow at the door is controllable. Removed center console, loosened duct work, but could get enough play to actually pull the actuator. You can confirm it before buying the actuator so you can determine which part is malfunctioning. What Causes a bad blend door actuator? The Best TOAD Vehicles for Frequent Campers. I manually moved the blend door from side to side and it feels like there is something preventing the door from closing out the heater core all the way. Remember to place all your screws securely, so you don’t lose them. A Toyota Rav4 HVAC Blend Door Actuator Replacement costs between $417 and $429 on average. Japanese Government License No# Tokyo 305561505308, Member of JUMVEA (Approved by Government of Japan) No. Blend door actuator symptoms explained. Once the vehicle warms up, the blend door may be moved to divert only part of the heated air into the cabin. How does the blend door actuator work? Afterward, your job is to check the blend door actuator by using the climate control if it is blowing hot and cold air. You will be able to feel the air change temperature or vent level. Get a free detailed estimate for a repair in your area. Like any mechanical device, a blend door actuator will eventually fail. Early automobile air conditioners were add-on units that were likely installed by the dealership, not at the factory. Removed the actuator and tried cycling it off of the HVAC housing and it seems to cycle completely from side to side. This way, a passenger can control the temperature of the air and in which direction they want the flow of this air. In the unit can go wrong if the motor malfunctioning or function with some kind of sound TrailBlazer blend actuators! 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