Well its pretty logical answer if you just follow the thought process. Now Im not sure if this is the answer but im just deducting from what you told.
1. The fan clutch disengages at high speeds.
2. When the car is off you cannot budge the fan.
3. answer. Your clutch is good because by spinning the fan you are trying to rotate the entire engine, crank and all. If your car is in gear this aint gonna happen.
<span style='font-family:Geneva'><span style='font-size:14pt;line-height:100%'><span style='color:red'>Fox</span></span> <span style='color:gray'>the Pirate</span>
Diplomacy is saying "nice doggy" until you find a rock.</span>
I live my life one quarter mile at a time, and for those 23 or more seconds I'm free.