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Re: Rad fan dosen't run after engine off !
On Fri, 1 Sep 1995 email@example.com wrote:
> Dear AUDI enthusiasts,
> I have a problem with my 87 5kcst radiator fan doesn't run after the
> engine turn off, even in very high temp, I know there is a thermoswitch where
> located in the upper radiator hose inlet, it's a two pin type, to control the
> radiator fan after the egnine turn off. I short those two wires when I
> unplug it from that thermoswitch, the fan works immediately. Therefore I
> suspect the thermoswitch may broken, also I've tried to measure the
> resistance between two pins of the thermoswitch but there is always 0 at any
> temperature. I checked it out at dealer about this thing, they have only two
> kinds, one is black and one is red, I've tried both but both doesn't work.
> Both of the thermoswitch's PN are different from the one come with my car.
> I found this problem after my mechanic, in SF, fixed the noise that come
> from the 1st stage rad cool fan relay, I suspect that he may changed
> the original one and put in an old/bad one, so the relay won't makes any
> noise because no more current pass through the relay. This is only my own
> Under this kind of circumstance, I really don't know what is the real PN
> for this thermoswitch. "Could anyone be kind to send me the PN or any
> information about this thermoswitch." I pretty sure the problem is come
> from the thermoswitch, if you guys have any idea about this I really want to
> listen about it.
> Thank You
> Albert Ng
Dear AUDI enthusiasts,
So, do anyone know about the thermoswitch I mention above ?