Disclaimer: This is on a 130" van built in early 2015. What you will find is anyone's guess.
I was planning to work in the next county today and before I left thought I'd take a peek at the giubo. Yikes. Rescheduled and crawled under the van.
What a pita. One of the giubo to trans bolts froze so tight my 1200lb air hammer would not budge it. Had to use a long handled ratchet. Grunt, click, grunt, click... yeeesh. Use impact sockets even if you do this without air. The force needed to free that bolt would have cracked a regular socket. There is a pin coming out of the trans that extends an inch or so into the end of the driveshaft. To get the giubo out you have to align the u joints so one leg is parallel to the ground, take out the bolts that hold the center bearing, and have your manservant gently lower the shaft, thus pulling the nose away from the transmission, all while taking care not to flex either u joint more than 15º. Meanwhile, you wait at the front for the nose to come free, swap the giubo, and re-attach the center bearing, all before said manservant's arms give out. Sound like fun? You betcha. I scribed both the bolt and the retention flange on the nut holding the center bearing and was able to get the thing back where it started. Other than that, not technically challenging, just a butt load of work. I had the front of the van raised about 14" and rear about 8. Worked ok. If you jack up one rear wheel you can turn the shaft with it, even with a LS rear end. Glad it's over. Next time I suspect it will only take about 2-3 hours. The frozen bolt was the big holdup this time. I was certain the factory had crossed it up. The thing came out looking pristine though, no galling.