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.
Vacuum blend door actuator.
An actuator can go bad in of two ways.
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.
Not to mention it was anywhere from 30 to 60 dollars cheaper than parts stores and dealerships.
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To ensure reliability purchase mopar part 4864995 actuator vacuum.
An actuator could be powered by a small engine built in the air and heat assembly or vacuum.
The actuator contains a logic circuit that interprets that voltage and powers the motor to move the door to the corresponding position.
Find all the car vacuum parts you need to get your hot rod s ac system up and running.
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.
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.
Actuator 1967 1972 chevy and gmc trucks single port with stud in arm.
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.
Bought this to replace the temp blend door actuator on a 2004 envoy.
Old air products carries actuator vacuums and more online.
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.
It is controlled by a blend door actuator which is a small electric motor.
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.
Buick 1999 91 cadillac 2002 91 chevrolet 2016 96 gmc 2016 96 oldsmobile 1999 91 pontiac 1999 92 application attributes.
The gm c 67 system found in w body cars uses this design.
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.
Air inlet air door actuator vacuum style application summary.
Drivers side was blowing hot air all the time.
And are backed by the manufacturer s 12 month 12 000 mile warranty.
Replaced the oem actuator with this one and now it works perfectly.
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.
It is sometimes referred to as mopar blend door actuator.
