Compression Ignition Addict
Join Date: Oct 2011
Location: Dallas, TX
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Another Dumb Question
You know, I really hate asking dumb questions on here, but I have one I'm not sure about. Here goes.
Does the 6.4L have a radiator fan clutch? Yesterday my truck started making a noise that sounds like a radiator fan clutch going out (roaring sound like a fan at full speed). Not only that, but it was really pulling a lot of air through the radiator. While parked, if I held it at higher RPM's, the noise would go away after a few seconds...like the clutch is working, but slowly. I've heard the same sound in other vehicles before and it was the fan clutch. The reason I ask is because with all the hoses, tubes, radiator shroud, etc on top of the engine, I actually can't see down in there good enough to tell if it has a fan clutch. I assume it does, just can't see it. Also, is it that during hot weather the fan normally turns faster to help with cooling? I haven't owned a diesel in a while, and not a 6.4L, and not during hot weather, so I have no reference point.
It isn't really a problem, at least not yet, I hope. There's no decrease in performance. It's just a little noisy and I'm not sure if that's normal or not.
2008 F350 Lariat 4X2 CC 6.4L
dark blue over grey
totally stock and love it that way
Last edited by cp2146; 05-04-2012 at 07:07 AM.