The drain plug.
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Original Koyo wheel bearing. At 511k miles it still spins smooth but has a lot of slop.
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Pink pinion paint indicating factory 4.10 gear set. Pinion nut was disturbed ~20k miles ago to replace damaged flange.
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3rd memebr out, problem found.
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Ring gear banged up but intact.
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Spider gears are Ok.
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Original locking tabs.
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This was the only marking on the gear.
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Another shot of busted pinion.
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Broken in more than one place.
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This tooth is about to go as well.
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Backlash on the good teeth is .007", still in spec.
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Backlash check on another spot shows loose, but there are so few good pinion teeth left it's hard to tell.
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Carrier bearings have no prealod, in fact it is possible to pry the differential sideways about 0.005".
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Checking backlash again. This spot reads 0.007"
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Pattern check on the few remaining good teeth looks nice to my untrained eye. Please forgive the wrong paint.
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Ring side carrier bearing race. Not as bad as expected; pretty good for the age and miles.
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Pinion side carrier bearing race.
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Nachi brand carrier bearings.
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Pinion bearings turn smoothly, still have some preload.
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