http://www.lostkjs.com/forum/phpBB2/viewtopic.php?t=6006&start=0&postdays=0&postorder= asc&highlight=front+diff+collar
It would be interesting to hear what you all think about this "Front Diff Collar" they are talking about.
Seems like they have almost the identical issue, only worse. I know the two cracked housings I have seen were in the same area, only not as dramatic.
You can search "front diff collar" and come up with at least 30 threads.....