Dodge/Ram Diesel Tech Discussions on all generations of Cummins Diesel powered Rams plus the new Eco Diesel

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Old Nov 8, 2011 | 09:38 PM
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firedude159
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Default Hi I'm new

Need help....2003 dodge 2500 4x4 4-door heavy duty diesel...engine fan runs all the time. what is it???
 
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Old Nov 9, 2011 | 12:31 PM
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even when key is in off pos?
 
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Old Nov 9, 2011 | 08:47 PM
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Um, isn't it an electronically controlled viscous fan, run by the drive belt?
 
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