More complex answer than one would expect.
There were a number of failed rear trailing arms that were replaced (some more than once) with the SAME BAD DESIGN trailing arms.
So, just because they have been replaced, does not insure that they are good.
Here is an indepth look and description of how to identify the bad design/structurally sound design:
http://community.fmca.com/topic/569-important-safety-issue-monaco-hr-safari-chassis/If either the "new Monaco" or even stronger Source Engineering trailing arms are installed, this is a non issue.
