It looks like we have this same problem with the upper shell on our 1988 Trailmanor 26. Under tension, the molding at the stirrup pulls down half an inch or so below the bottom edge of the upper shell on one side of our trailer and a bit less on the other side. The lower shell stirrups seem to be holding fast which matches other peoples experience.
I also need to adjust the torsion bars on our trailer but want to get the stirrup problem addressed first so the increased lift from properly adjusted torsion bars doesn't make things worse. Does anyone know if TrailManor used the square tubing in the walls of older (as in 1988) trailers?
Thanks,
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