I had a 2008 KZ Spree. The build quality was average. The drawer slides were not good quality. The plastic ends had a tendency to crack. Our trailer had a variety of leak issues. We had a rear slide which leaked. I replaced the gasket surrounding the slide. Inspect the windows carefully. Ours sagged over time. Look above the windows on the outside, especially at the corners. If It looks like the butyl (caulk) has shrunk back, the window has probably sagged and either has or will be leaking. Resetting them isn't too hard. You will need new butyl and a plastic scraper. I added some shims made from pvc trim underneath to prevent future sagging. We also had a leak from a split filler tube for the fresh water tank.
Be sure to get on the roof and check for soft spots. Do some thumping and check the sealant.
Hope this helps in giving you some ideas on some additional places to inspect. Good luck!
If ethics are poor at the top, that behavior is copied down through the organization - Robert Noyce
2018 Chevy Silverado 3500 SRW Duramax
2019 Coachmen Chaparral 298RLS
