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Re: Rear Axle issues
Posted to HD/Fleet Forum on 3/7/2018 2 Replies

I have seen the posi diffs in f350 trucks 99-05 era that seem to destroy gear oil in a very short time. 2 trucks I can recall had repeat bearing and ring and pinion failures and the oil always looked like it had 200 k on it. Replacing the clutch type posi with... Login to read more.

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