Air inlet air door actuator vacuum style application summary.
Vacuum blend door actuator.
Drivers side was blowing hot air all the time.
Actuator failure like any other mechanical units a blend door actuator would eventually fail.
First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or vent mode controls are moved.
To ensure reliability purchase mopar part 4864995 actuator vacuum.
Find all the car vacuum parts you need to get your hot rod s ac system up and running.
The gm c 67 system found in w body cars uses this design.
Also called hvac actuators these small electric motors control the flow and blend of hot and cold air to the passenger areas by opening and closing the vent doors that let the air through.
When you turn the knob on your dash to the desired temperature the actuator moves the blend door to achieve the proper mix.
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.
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The actuator contains a logic circuit that interprets that voltage and powers the motor to move the door to the corresponding position.
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.
Old air products carries actuator vacuums and more online.
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.
The blend door or vent door mixes warm and cool air to be sent to your vents.
An actuator could be powered by a small engine built in the air and heat assembly or vacuum.
Bought this to replace the temp blend door actuator on a 2004 envoy.
It is sometimes referred to as mopar blend door actuator.
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.
Our mopar parts and accessories are expedited directly from authorized mopar dealers strategically located all across the u s.
Actuator 1967 1972 chevy and gmc trucks single port with stud in arm.
Not to mention it was anywhere from 30 to 60 dollars cheaper than parts stores and dealerships.
An actuator can go bad in of two ways.
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.
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.
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And are backed by the manufacturer s 12 month 12 000 mile warranty.
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.
