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lbond01's avatar
lbond01
Explorer
Jan 12, 2018

2003 Cummins engine whine @2000+ RPM's ( Solved/Muffler?)

I have a 2004 Bounder Diesel on a 2003 freightliner XC with a Cummins 5.9 ISB. I had a over heating problem. I found the cooling fan had chunks missing on some of the blades. Had to remove radiator/ch...
ScottG's avatar
ScottG
Nomad
Jan 12, 2018
That's awful!
Never heard that before but it seems to come on about the time the fans starts to freewheel hard.
Did they replace anything to do with the clutch for the cooling fan and is it a Horton?
If it wasn't replaced, I wonder if the out of balance broken fan damaged it.

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