lugnut Posted May 14, 2013 Share Posted May 14, 2013 I have a 2012 gu713 with mp7 it has the multi speed electric clutch fan.fan works on low speed engine temp fine at idle or low ROMs.under a load the high speed doesn't work and truck over heats....new fan $ 800.00 what I want to know is can there be anything else causing the problem such as a temp sensor?do I need to change the clutch fan? And all gauges in cab work fine no codes Quote Link to comment Share on other sites More sharing options...
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