Mine had a ton of play and was noisy and it was the front axle bearings that are inside the case. The seal was bad as well. They may be called something else but I can't remember. Before that, I had a problem getting it into 4wd and the lights would flash and sometimes it would switch and sometimes it wouldn't. When it did, it would clunk in really hard. That end up being the transfer case encoder ring. It was really easy to replace and about $35.