thatguy

A couple of times when i have started off from a stop the engines lets out this low growl/roar sounds as I take off.... its only happened twice - once when it was cold and once when it was warmed up..

It really sounds like a mid-range or larger truck when the cooling fan comes on.. but i dont think that is it..

Any ideas??

KATOOM

I'll bet that's what you heard. When its warm out the clutch fan will come on just about every time you come to a stop sign or just slow the RPM's down to idle. It will roar loud as you take off for a second then quiet down depending on how hot out it is.