OK, got another question: why does my front output flange slide onto the shaft further than it seems like it should? It was kinda hard to get a good picture, but I hope you can see that the flange slides onto the shaft past the splines. I'm worried that I've done something wrong. The input and rear output flanges both seem to fit 'right'.
Bonus question: I had a little bit of a hard time installing the input/output flanges, because the seal-lips kept wanting to roll in/under. Is there any trick to that? Already got them all done, but would like to know for next time.