The bottom 2 corners of the bedroom slide were prone to cracking the filon siding. Somewhere between 2005 and 2010, Keystone started putting an expansion joint near the lower front corner to reduce the cracking. On my 05 that expansion joint was a factory mod that turned into a joint in the filon added to most all units. Keep an eye out for the front closet paneling bowing when the fiver is sitting on the truck. Sometimes the fix is simply shortening the paneling vertical length … if it becomes really bad, then it's probably front frame area issues.
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