Quote:
Originally Posted by MongooseGA
This isn't a bad idea. My fan does turn with ease by hand, what would I be looking for to tell if that's the case?
Fan clutches are cheap and easy, and with 300k+ on the car I think I'll go ahead and just do it anyway since I haven't in the 50k I've owned the car.
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It is not supposed to turn easy by hand. It should slip some when accelerating at normal temperature so it uses less HP.
Make sure that the fins on the clutch are clean or the coupling may not get hot enough to work as it should. Also check if there is any looseness in the bearings when moving the fan with your fingers.
If this link works it will have the Viscofan description and testing.
http://www.startekinfo.com/StarTek/outside/12265/disc_2/program/123avi2.htm