Need some help - Arctic Fox slide issue

We have a 2014 Arctic Fox 1150. We had an issue a couple of weeks ago when the slide make a loud noise just as it got all the way in and then it would not move at all. It turned out that the bolt connecting the moter to the slide mechanism had broken on both ends. We figured maybe we had gotten a bad bolt so we purchased a hardened bolt of the same size and replaced it. The slide worked just fine for our last trip but when I went to put it out this afternoon, it was not working once again. (No loud noise this time). We had only put out and few times since replacing the bolt, so now we are thinking that the original problem wasn't a bad bolt. Something must be sticking or not aligned properly and that is causing the stress that is breaking the bolt.

Has anyone had a similar problem? Any ideas about what might be causing the problem? We are going to Nova Scotia in a couple of weeks and would love to have this resolved before we head out.