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  #1  
Old 06-28-2012, 08:06 PM
eldorado99 eldorado99 is offline
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Default Hemi Clutch Fan on while cold?

Hi, my 2012 Ram 1500 Hemi's clutch fan is always on for the first five minutes of driving when it has not been driven yet that day. It is annoying because all you can hear is the fan while driving until it warms up, is this normal? Once the engine warms up the fan dies down and everything is normal.
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Old 06-28-2012, 11:32 PM
northtropics northtropics is offline
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Mine does the same- just the nature of the beast.
Usually takes me about 1/2 mile , then it quiets down.
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Old 06-29-2012, 12:09 AM
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I think it does this to prduce load on the engine. More load, the emgine warms up a little faster. My 2005 did this as well. It's normal.
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Old 06-29-2012, 12:15 AM
emjohn4 emjohn4 is offline
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Normal for about a block and / or when the engine spins up past about 1,500 rpm.

Five minutes? Not normal - unless that five minutes was at idle.
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Old 06-29-2012, 11:34 AM
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Mine does it too, I like the sound :P
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Old 06-29-2012, 02:11 PM
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never noticed this ...I will so now, which may be a good thing or bad thing
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Old 07-02-2012, 11:43 PM
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Well it can depend on different things. I had an old 1995 dodge dakota with the 318 and regardless of outside temp the fan clutch always engaged on startup. My technical service manual said it's to spin the fluid inside the clutch because it has sat for some time. If it is really cold I could see it need to spin for longer to cycle the fluid.

Also if you have either heat or ac on at startup it will turn on your electric fan which is also quite loud.

I wouldn't worry too much unless your truck either doesn't warm up or overheats.
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Old 07-03-2012, 09:12 AM
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Normal. Don't worry about it.
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Old 07-03-2012, 09:25 AM
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Normal, even my 20012 grand cherokee did that
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