[200q20v] After run cooling system relay question

Mike O'Donnell mod2000 at home.com
Sat Jul 14 19:32:27 EDT 2001


I went through a similar diagnostic procedure on my 200 this spring because
I was convinced my after-run system was not operating and I was slowly
toasting my turbo.  An obvious case of Automotive Munchausen-By-Proxy
syndrome.  In my instance, the Seattle ambient air temps just don't get hot
enough to engage the after-run circuit when running a lower temp thermostat.

Mike O.

----- Original Message -----
From: Steve Bednarski <stevebednarski at mindspring.com>
To: Audi200q20v <200q20v at audifans.com>
Sent: Saturday, July 14, 2001 8:41 AM
Subject: [200q20v] After run cooling system relay question

> I have recently replaced my after run temp sensor as my after run turbo
> cooling pump and radiator fan have not (as in never) been coming on.
> Today is a much cooler day than usual and I haven't been able to make the
> after run pump and radiator fan engage after the temp sensor replacement.
> I did jumper across the two wires connecting to the temp sensor and the
> radiator fan turned on promptly.  Does this last test indicate that the
> after run relay is O.K.?  If so, I'll just wait for hotter weather.
> Thanks in advance,
> Steve Bednarski
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