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    My Ford Econoline E150 overheats. How can I tell whether the fan viscous clutch is working?

    0  Views: 720 Answers: 1 Posted: 13 years ago

    1 Answer

    You did not say what model year, but new E350 do not have a viscous clutch, they have an electric fan.  Look for wires running to the fan, if it has wires it is an electric fan.


    However, if it does have a viscous clutch. Start the engine, place a piece of cardboard in front of the radiator.


    Let it run until the temperature show hot.


    If the fan does not engage, it is defective 


     



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