Have a 2005 Landmark Grand Canyon 37' purchased new from dealer in 2012. Have made trips to west & NE US with no problems. Trip last month to Texas lost complete wheel.rim & hub doing damage to rv. Af...
We had similar problems on our last TT, though not quite to the extreme you have. I would also echo the question posed by fj12ryder; if that trailer sat for 7 years on a lot, the wheel hubs certainly should have been redone - at least checked. Dealers often don't do much maintenance on units they have on their lots, unfortunately.