That's a multi speed fan and you need to check the speeds first. With the AC
on the fan should run at low speed. as temps go up it will jump to the 2nd
speed. If it sounds like a jet engine, then it's on the 3rd speed.


"S Timinski" > wrote in message
m...
> 95 GTI VR6 with 140K miles and "running" strong except - yesterday temps
> were in the 90's and in traffic my AC started making a growling noise then
> shut down and then turned on after a few seconds then off. After car
> started moving turned system back on - quickly cooled no problems. During
> idle high speed fan will turn on for a few seconds then switch off and
> then cycle again. Took the car to an AC specialist - but not VW
> specialist and said pressures were fine but he did notice the fan
> switching on and off which could if the outside temps were high enough
> could cause the system to get too high of pressure and shut down the
> system since the fan isn't really cooling down the coil. Ok, but what
> would fix the problem - radiator switch, switch located on the thermostat
> housing or is it the Fan Control Module?
> Is there a way to test the Fan Control Module?
>
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