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Dodge Repair/'00 Intrepid: noise in ATC heater controls

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Question
I have this constant noise in heater a/c control panel that sounds as if a bearing in is squealing. Will diminish when car warms up, but never quits altogether.

Answer
Hi Jack,
I suspect this is an automatic temperature control type of unit, correct? In that unit there is a temperature sensor and a small motor and fan that draws cabin air into the control panel via the slots at the lower left corner. I would suspect that the fan motor bearing is the source of the noise. If you remove the bezel that surrounds the unit and then the unit itself and unplug its wiring you can access the fan motor for either lubrication of the bearing with light oil or for replacement of the fan motor. I have had success using sewing machine or similar light oil in quieting down such small motor bearings. Let me know if this is not the case.
Please read the PS (below) and respond to it.
Thanks for doing that,
Roland

Dodge Repair

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Roland Finston

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Get a Free Fast answer to your repair question about a Chrysler/Dodge/Plymouth car, minivan, SUV, or truck. Problems with electronically controlled engines and transmissions as well as body wiring problems are my specialty. This free troubleshoot advice forum helps you diagnose faults, minimize repair costs or do-it-yourself.

I answer questions seven days a week and respond to you in about 30 minutes. "Maxed Out" means I am answering another question or asleep overnight so try again later.

I have do-it-yourself experience (50+ years) and a library of 100 1982-2012 Chrysler factory shop manuals and 20 multi-manual Chrysler Corp. CD's.

I was voted "Top expert" from 2010-2015 here at AllExperts, and have answered 20,000+ questions.

Experience

Five decades as a 'do-it-yourselfer' on domestic and imported cars

Organizations
Yahoo Autos Group called The Chrysler Lebaron Club (co-moderator)

Education/Credentials
Degrees in Physics/bruised knuckles.

Awards and Honors
"Top expert" of 2010, 2011, 2012, 2013, 2014, and 2015 here at Allexperts. Quickest "average response time" at Allexperts (currently no. 1).

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