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John Mc
John Mc, Mercury Technician
Category: Mercury
Satisfied Customers: 6240
Experience:  19 years Ford Lincoln Mercury experience
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Mountaineer: a clicking sound when I turn the hot/cold knob..heater/ac

Resolved Question:

why does my mountaineer make a clicking sound when I turn the hot/cold knob on my heater/ac from blue(cold) to red(hot), even when heater/ac is not on
Submitted: 7 years ago.
Category: Mercury
Expert:  John Mc replied 7 years ago.

Hello, I am John, a Ford dealer technician.

I hope I can help solve your problem quickly and accurately.

 

It sounds like you have a bad temperature blend door actuator. This is what moves the hot/cold door in your dash. It has plastic gears and when these gears strip out this is the noise that it makes. To replace this you need to remove the center console assembly then you can get to it. I am posting instructions on how to remove the console and the blend door actuator.

 

Click here for console directions

Click here for blend door instructions

 

If this answer has been helpful please accept so I can recieve payment. Feedback is very

important to me so please leave accurate feedback for others to see my job performance.

 

Thank you,

John Mc

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