99 Crown Vic Auto climate sensor squealing

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Patrick Fitzgerald - 19 Apr 2005 02:33 GMT

The Automatic climate control in my 99 Crown Vic takes to squealing once in
a while.

It is a high pitched squeal like a sensor or smoke detector.

If you change it to another setting or adjust the fan speed it stops for a
few seconds and then starts up again.

Eventually it settles down for a while.

Any ideas before I start pulling the dash apart?

Thanks in advance

Pat

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Jeff - 19 Apr 2005 02:53 GMT

Sounds like it could be a the bearings on one of the fans going bad.

Jeff

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nospam.clare.nce@sny.der.on.ca - 19 Apr 2005 03:59 GMT

>Sounds like it could be a the bearings on one of the fans going bad.
>
>Jeff

Not familiar with the Ford climate control, but many others have an
"aspirator" on the in-car temp sensor. This is a tiny fan that draws
air past the thermistor to sense cabin temp. On my old Chrysler it
would take to squealing once in a while 'till I took it out, cleaned
it, and re-lubricated the tiny little fan motor.

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omarsimms25793@hotmail.com - 19 Apr 2005 23:24 GMT

>>Sounds like it could be a the bearings on one of the fans going bad.
>>
[quoted text clipped - 5 lines]
>would take to squealing once in a while 'till I took it out, cleaned
>it, and re-lubricated the tiny little fan motor.

thats when ya woke up

lmfao
tgese are FORDS why would you tell us about dodge

hurc ast

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tom - 19 Apr 2005 23:48 GMT

at least he made an attempt, even if it was for another brand, unlike you ,
who as the resident a.shole, can only abuse others

> >>Sounds like it could be a the bearings on one of the fans going bad.
> >>
[quoted text clipped - 12 lines]
>
> hurc ast

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Patrick Fitzgerald - 20 Apr 2005 04:13 GMT

Thanks for the replies.

I'm going top check whatever kind of sensor that is behind the little grille
in the dash above the climate control. I suspect it is the sensor in there
that is squealing. It's to high pitched for a fan bearing, to my ears, but
I'll know soon enough. I'm not sure what kind of sensor is in there; with
a bit of luck it just needs a cleaning.

Thanks for the replies

> >Sounds like it could be a the bearings on one of the fans going bad.
> >
[quoted text clipped - 5 lines]
> would take to squealing once in a while 'till I took it out, cleaned
> it, and re-lubricated the tiny little fan motor.

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