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Date: Tue, 15 Dec 1998 01:53:43 -0800
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To: chris@raf.atd.ucar.edu
Subject: Re: Fan clutch
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Chris Webster wrote:
> 
> Q: Can a fan which is operated by a clutch also have a temperature over-
> ride?
> 
> Details:
> 
> I have a 91 rodeo, with a GM V6 3.0 liter in it.  The engine fan appears
> to be the belt & clutch variety.  Today (25 degrees F) it stayed stuck on
> the whole way to work.  So I mentioned it to a few "mechanically inclined"
> people, and I was describing how on hot days it would stay engaged at any
> RPM.  This was foriegn to them.  They thought a clutch was purely mechanical,
> and always shut off at higher RPM.  Does anyone know the details of this
> engine?
> 
> --Chris
Lots of cars have temp sensitive fan clutches. You  can imagine a simple
bimetallic thing that locks up when hot. Don't know if the rodeo does so
or not.
