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Is a Radiator Fan Supposed to Spin Freely By Hand When the Engine is Off and Not Running


Is the radiator fan supposed to be able to turn a bit freely by hand when the engine is off?

Expert Reply:

If there is a fan clutch between the fan and radiator on your vehicle, then you will be able to turn the fan by hand when the engine is off and not running. If there is no clutch, the fan would be difficult to turn because you would have to turn the fan and the pulley, which are turned by a belt.

If the fan is turning freely with no clutch, then there is a problem with either the belt being loose or the pulley will need adjustments. A fan clutch will look like part # D22175, just as an example.

expert reply by:
Michael H

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