Now it's been over two weeks and AutoNation is claiming they can't get parts until April. Oh, and they don't have a replacement that I can drive. I've never dealt with more arrogant and incompetent people in my life. @JeepCares hasn't exactly been helpful either. They keep claiming my "case...
It looks like they're replacing the axle shaft and axle guide. They said originally that a seal was missing in the front differential and that caused the problem.
Day 8 at the dealer with the exact problem on my Gladiator Rubicon with 3k miles. Apparently they deliver parts via wagon train. It took them five days to figure out what the issue is. Obviously, this is becoming a common problem on these.