I know it doesn't help resolve the problem, but if possible, I'd walk on that one and cut my losses. They just don't ever seem to be the same after that much repair. I would hope you could get a buy back, new one or something for that much trouble. Way too much money to have that many problems, which is why we're looking to alternatives to the mass produced stuff coming out now a days.
John and Rebecca Dickson
Emma-7 / Little John-5 / Iva-1
Full Timing Again, Rev B
2013 Ford F-350 Lariat CC LB PSD
2015 SOB TT - With OC's Awning Poles (#8)
At least in Heaven, RVs will be perfect, and I won't have to keep fixing them.