My Audi's auxiliary fan does not kick on and the car begins to overheat on 2001 Audi Allroad Quattro

I was told this was a thermostat sensing switch. I replaced this part and the problem still exists. Any ideas what else I should look for or do I need to put it on a computer for further diagnosis?

by in Cassville, MO on August 06, 2011
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1 answer
ANSWER by , August 09, 2011
1)How long does it take for the engine to run to hot? 2)Does the aux. fan come on with the a/c running?