Ok, so who is good at diagnosing gear patterns here?
Looks to me like the ring gear and pinion have been devouring each other. Also, I can hear that loose roller in the pinion bearing when I turn the pinion flange and the is a bit of clunky backlash in the pinion. Much more than the NOS rear has.
So did the bad bearing cause the pattern to change or was that a byproduct of the gear pattern being set badly and the the contaminated fluid ruining the pinion bearings?
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