rad fan wont stop
InfernoCL
infernocl at wi.rr.com
Mon Mar 24 21:32:38 EST 2003
When that happened to my NG, I just replaced my fan relay. Perhaps turbo is
the same. Check the coolant temp/switch too.
-----Original Message-----
From: quattro-admin at audifans.com [mailto:quattro-admin at audifans.com] On
Behalf Of millertyme
Sent: Monday, March 24, 2003 9:16 PM
To: audi mailing list
Subject: rad fan wont stop
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Guys,
I have an '87 5K turbo and I can't get the rad fan to NOT run all the
time.
As soon as I turn on the key, the high speed fan starts. I thought that
the switch on the rad was bad, so I pulled the wire for the high speed.
Now the low speed runs all the time (when the key is on only). I
suspect that it was trying to run before (low speed), but with the high
speed going, there would be no way to tell.
So I am suspecting that it is not a bad switch
My dealer told me that there are a set of 3 diodes located on the frame
rail that also controls the fan. Does this sound right?
If so, he said that he couldn't remember if they were on the right or
left frame rail, but he thought that it was the left. I can't find
anything which resembles a bank of diodes, but I did find 2 wires which
have been spliced together and covered with heat shrink. The wires come
from under the bracket which holds the turbo cooling booster pump. One
is light in color (grey maybe), and the other is dark (black or
brown???)
Could these be the wires that are to have the diodes?
Like always, your help is appreciated
Later
Brian
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