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Moondog
03-02-2010, 09:37 PM
I have a 2005 Cummins 4x4 4 speed auto when I engage 4 Hi I am getting a loud rumbeling sound coming from the trans almost sounds like a badly worn wheel bearing sound only happens when you get over 35kmh anybody got any idea what it might be?

4skin
03-02-2010, 10:47 PM
:dontknow: check the front output bearing and drive shaft
for slop does it make any noise in low range??
could be chain in case worn or stretched chain
could rumble like wheel bearing at higher speed
kinda guessin with out hearing it[cheers]

dirka dave
03-02-2010, 11:07 PM
Check for zap straps......If Tuna has be to your place.

4skin
03-02-2010, 11:58 PM
[1b] would not have thought of tuna carnage