Question about 1993 Audi 90

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1993 audi 90 s fans do not come on

I can hot wire them . but would like to fix it right

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  • jcraig07 Mar 16, 2009

    The Audi in question had the thermostat missing, at the begining of the winter the customer wanted heat so we put a thermostat in it, we thought that the thermostat was in and just froze open and when we took it apart it didn't have a thermostat at all.  That leads me to believe that there was a fan problem before he bought it and they took the thermostat out to stop it from over heating.  Now I am trying to fix the fans and I was about to pull  them out when I went to unscrew the possitive wires from the buss they were in bad shape.  I have never seen what I believe to be a possitve buss to supply power the fans.  That said I am wondering how to jump the temprature sensor so I can check if the power is getting to the buss and just not to the fans due to a conection problem or if the fans need to be rebuilt still?  Thanks, Josh 

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Timp sensor on engie

Posted on Mar 02, 2009

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