Quote:
Originally Posted by northerngmc
Winter has arrived and I had my truck in 4WD high. I noticed a noise when I let of the accelerator pedal. I put the truck into 2WD and the noise disappeared.
Any suggestions or where to start looking?
My plan is to check the transfer case and front diff fluid.
I did a quick check on the front shafts going out to the wheel and when I gave them a good shake both seemed fine.
Would front wheel bearings only be in use during 4WD?
Truck in a 2004 2500HD lly with 170 000 kms.
I have changed fluid in both the transfer case and front diff in the past 12 months.
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Prabably not your problem, but everytime someone mentions a T case problem in a 2500-3500 I think of this:
http://www.thedieselpage.com/reviews/tcase.htm
I would check the front diff, front drive shaft U joints and T case. CV shafts will start popping if bad and wheel bearings are in use all of the time, most noticable going around a slight curve at slower speeds.