Engine whine?

jeudi 19 mars 2015

2012 3500 fully deleted.



Just noticed the other day while driving slowly through parking lots or navigating through traffic I can hear a whine coming from under the hood. It seems to get a bit louder as you accelerate gently...but at some point the noise of the engine is so loud that I can't hear the whine anymore.



I checked with A/C on and off to see if that was it. Checked power steering fluid levels. What else could make a whine?



It really reminds me of the sound my FASS fuel system makes on my 12V. Not nearly as loud of coarse. The noise is faint enough that I haven't been able to point out an obvious culprit. And of coarse my factory warranty is I'm sure voided from doing the delete kit. It also kinda at lower speeds has a electric motor sound.



Any ideas of what commonly goes wrong on these 6.7's that could have that sound?




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