Winestream....
Noise from the rear differential may be the forward pinion support bearings (cones) - alas, a symptom of towing...
Our 2001 4x4, V-10 had about 110K on it when we purchased it (without knowing it's previous towing usage)...we use it for mostly towing our 28ft AS and at about 130K miles, the noise from the rear axle began...I finally had a buddy with a gear shop tear into it - installed new bearings (nose brg's had some small pits), road tested but still had the 'noise'...he thought it was the pinion support bearings in the 'nose', and got another set, installed em' and the noise went away - either we had a bad bearing or the preload wasn't just right...but it's fixed now!
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Ray & Pat; Morada, CA
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