Re: 1986 4000CS Quattro cooling fan problems

[Paul Nicholson <paul@eisusa.com>]

At 7:59 -0400 6/17/97, Dustin Wolpoff wrote:
>Hi, my cooling fan will not turn off on my quattro at all unless I take
>the relay out.  It is even on when the key is off.  How do I diagnose
>and fix this problem?  Where are the sensors that tell it to go on?
>Thanks.  Dustin

If I remember right, there should be a sensor switch screwed into the water
manifold of your engine. Check to see if this switch closes when the engine
gets  hot and opens when it is cold. I bet it's closed all the time.

Paul

Paul Nicholson               Electronic Imaging Systems, Inc.
TEL 805 532 1068             5148 Commerce Avenue, Unit F
FAX 805 532 1065             Moorpark, CA 93021 U.S.A.
paul@eisusa.com		     http://www.eisusa.com