Found it. Had to go to the recycle bin to get the clip, but the whole video is still at my channel, here
https://www.youtube.com/watch?v=2WE7rb2Qfuo&t=133s
and this is the part about my state of the art, hi-tec system for installing pinion gears
https://www.youtube.com/watch?v=o_CQYOnA-O0