Question to my new installed spider/sidegear on Chrysler 8.25

I just fitted new spider/sidegear including washers and shaft. Did not seem to have the spider gear running smoothly on the shaft, and i also have some axleslip.
but made a small video clip to watch, and then comment on whether it looks normal or not)

Dropbox - VID_20191002_164951.mp4 - Simplify your life

Regards René