Quote:
Originally Posted by Mxfrank
if the electric fan is working correctly, then it's powerful enough to cool the motor even if the clutch fan is broken.
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Not really. The electric fan is there as a booster to help cool the A/C condenser and to assist the engine driven fan if/when it can't keep up with the cooling load. If the clutch fan is operating correctly and the cooling system is healthy, the electric fan should NEVER come on unless the A/C is operating.
The electric fan moves a fraction of the volume of air moved by the clutched fan, even when at idle. It can prevent a runaway overheating situation, but if the engine and cooling system get heat soaked (and the A/C is running...) it won't prevent a slow overheating situation, especially if the car is sitting stationary like the OP's was.