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Jeep jk blend door actuator.
It s probably the heat a c blend door actuator it s either failed or missing teeth.
That s my logic but i could have found.
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A c blend door actuator in your jeep jk is a very important part of the heating and cooling system and is responsible for controlling the temperature of the air blowing thru the vents and into the cabin.
Jeep jk a c blend door actuator replacement 11.
I have to believe the blend door actuator is the same design and likely just as unlikely to fail.
Jk jeep wrangler forum.
Replacing the blend door actuator itself is quite simple however getting access to it is the time consuming part.
The whole process of a jeep jk a c blend door actuator replacement will most likely take you about 2 3 hours depending on few factors especially on how long it takes you to remove the floor air duct blocking access to the actuator.
Therefore it s the signal being sent or not being sent to it from the control module.
Do you hear rapid clacking clicking under your jk jku steering column.
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Replacing the blend door actuator itself is quite simple however getting access to it is the time consuming part.
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.
If you replaced the physical actuator motor and the calibration has been completed should take about 30 seconds or so and it does the calibration every time you start the jeep up you may need to replace the hvac unit its self also using doorman units may also have an effect as i had a door man unit that caused the calibration every time and once i replaced it with my original oem unit i.
First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or.
And a design from edison s era.
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An actuator can go bad in of two ways.