I am gettin a noise and vibration when in 4 wheel drive from the front diffferential area or drive shaft. It seems to happen when I let off the gas after getting on it pretty good. Is it the cage bearing?
If it's only doing it when AWD is switched on and deceleration, then you may have some issue with the cage or something. Have you noticed any other irregularities with AWD operation? Sticky about disengaging or kicking in by itself when spinning in 2WD? I'd probably drain the oil into a clean white cut-off oil jug or bowl or something to inspect it closely.
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