Hi Kevo, from what I've heard (and read) the loosness is actually in the "slip-joint" portion of the intermediate shaft. That Impala HQ website that shows illustrations within the technical bulletin, kind of shows and explains the procedure of working that slip joint back and forth so as to sort of "pump" it full of grease. And that makes sense, which is why the "light weight" grease just doesn't last very long. It also stands to reason that some people are getting by without actually replacing, because the real thick grease will not be so likely to squish out, and if their original part is not very loose, then apparently just the thicker grease is all they need.
I do have a new part on order for mine, but my chevy dealership (pontiac dealer wouldn't give me any price break at all, so screw them) was at least honest enough to let me know that their system shows a "nation wide backorder, with no estimated delivery dates." It has been their experience that sometimes the new shaft will arrive in a week or so, and other times takes several weeks.
I'm anxious to get mine apart to see just how loose it is. I can tell you for sure, according to the feel on the steering wheel, you'd swear that the whole front end was about to fall out of it!!
It is my opinion that there is probably no safety risk at all. -just crappy, clunky, thumpy feeling looseness.
Dark Cherry 99 Bonneville SE -her car
Ivory 02 Bonneville SE -MY CAR !
"luxury with attitude"