I do not know your situation. BUT!
Are you turning the fan. It turns free nothing else will?
You are turning the "FAN CLUTCH"! It freewheels on the end of the water-pump shaft. It adjusts itself for efficiently cooling the radiator with minimum RPMs as not to rob Horsepower from the engine!
Is that your issue?
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Friday, December 17th, 2010 AT 4:12 PM