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Viscous fan not spinning; Anybody changed to an electric fan?
Topic Started: Sun Sep 27, 2009 4:37 pm (121 Views)
ML190E
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My viscous fan is not spinning anymore causing my engine to get very warm

So i was thinking of putting an electric fan in instead??
Has anyone done this? If so from what car did you take the fan??

Also does anybody know how much a new viscous fan is??
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stwat
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Unless it's a 2.6, your car will have the electromagnetic fan. You probably just need another fan switch.
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ML190E
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How do i know if its electro magnetic or not

Its a 1991 1.8 Auto
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stwat
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Only the 2.6's have the viscous fan. All the 4 cylinder engines have the electromagnetic type. The electromagnetic fans spin more freely until the clutch is engaged. The viscous ones have more resistance to begin with.

To check whether its the switch at fault. Unplug the two pin connector from the fan switch and bridge the ends of the connector together with a piece of wire, then switch the ignition on. You should hear the fan clutch kick in with a clunk and the fan will now be locked.
Edited by stwat, Sun Sep 27, 2009 5:55 pm.
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stone
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I need to replace my temp switch fan....anyone know an easy way of getting to the thing? Best route I can see at moment is to remove thermostat housing so I can get a spanner round it!!
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