Vacuum Blend Door Actuator

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Vacuum blend door actuator.

The actuator contains a logic circuit that interprets that voltage and powers the motor to move the door to the corresponding position. First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or vent mode controls are moved. Actuator failure like any other mechanical units a blend door actuator would eventually fail. To ensure reliability purchase mopar part 4864995 actuator vacuum.

If you re only able to get cold or very hot air from your vents there may be a problem with the blend door or actuator. Actuator 1967 1972 chevy and gmc trucks single port with stud in arm. Find all the car vacuum parts you need to get your hot rod s ac system up and running. Not to mention it was anywhere from 30 to 60 dollars cheaper than parts stores and dealerships.

And are backed by the manufacturer s 12 month 12 000 mile warranty. The gm c 67 system found in w body cars uses this design. Depending on the make and model of your vehicle the same exact actuator could be suitable for any and all climate control blend door applications. Replaced the oem actuator with this one and now it works perfectly.

When you turn the knob on your dash to the desired temperature the actuator moves the blend door to achieve the proper mix. The blend door or vent door mixes warm and cool air to be sent to your vents. Drivers side was blowing hot air all the time. Old air products carries actuator vacuums and more online.

Bought this to replace the temp blend door actuator on a 2004 envoy. Products about us. In addition to an electronic blend door actuator the gm c 67 system uses a solenoid box to operate the mode and recirc doors through vacuum motors. Dorman engineered with robust materials to improve durability and performance dorman hvac heater blend door actuators restore and maintain proper functioning of the hvac heater blend door.

Replacement elements to fix the issue might cost you a few usd but the expenses of labor for replacing it might be up to hundreds. An actuator can go bad in of two ways. It is controlled by a blend door actuator which is a small electric motor. Air inlet air door actuator vacuum style application summary.

An actuator could be powered by a small engine built in the air and heat assembly or vacuum. A blend door actuator is made up of an electric motor that turns a plastic gear set in one direction or another which is connected to an air control door pivot at the final drive of the unit. It is sometimes referred to as mopar blend door actuator. If your car or truck passengers don t seem to be getting all the benefits of your vehicle s heating or a c system you could have a non working a c heater blend door actuator.