gorddmac 0 Posted February 8, 2005 Report Share Posted February 8, 2005 My radiator fans suddenly started to come on as soon as the ignition switch is on,even when the engine is cold. By cold I mean -15 C. I know. They also sound like they are running very fast, I can hear them when I am driving around town. Any ideas? Could this be a short? Anyone else had this happen to them? 1993 passat VR6 ?! Link to post Share on other sites
mightyvr6 0 Posted February 8, 2005 Report Share Posted February 8, 2005 Sounds like it could be the fan ecu/control box has gone on the blink or possibly something simpler like the thermostat. Check the fuse and change the thermoswitch first. Link to post Share on other sites
acf8181 0 Posted February 8, 2005 Report Share Posted February 8, 2005 could be the fan switching switch thingy...thats in the side of the rad. Link to post Share on other sites
VR6Pete 1,455 Posted February 8, 2005 Report Share Posted February 8, 2005 or the fan control module unit... Link to post Share on other sites
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