Three views of an axle hub or transmission pump splined shaft

I made a tool to keep trash out of the transmission as I scraped & washed the years of mud, and the rat-nest soup that came down from the valley. For a little while, I considered the possibility that rinsing all that mess out of the valley might have caused this leak.
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The original gray front pump seal (E9TP7A248A, F2VY7A248A) was replaced with the black Viton version (E9TZ7A248B, E9TP7A248AA).

Owner caption April 2021 · Photo 142 of 196