GM has a teflon spline grease for this application. I've been using it for years on both GM and Ford trucks. Works great for me.
Would be great if the OEM's would hold tighter tolerances (or use a BOLT-ON yoke like they should have); but greasing it should keep it from binding/clunking excessi...
It's a cheap video. You *should* feel like an idiot if you can't install this part in 5minutes. I agree, the video is a bit corny; but it reasonably shows how the part installs and operates; which is all it needs to do.
LMAO. Was hoping for the German ATM engineer to explain the technical information.