We have a 2018 384 GK we full time and have been living in it 6 months. We have had no problems and have put about 3,000 miles on it. The things I have done was to check tire pressure all we low one was 40# low the rest 15 to 20 lbs. I checked the lug nut torque all were good. Checked the torque on axle u-bolts and all were loose one of the u-bolts were just snug. We are very happy with our 5th wheel. We also got a 2017 GMC Denali CC DRW diesel that pulls like a freight train getting about 9 mpg towing at 65 mph. All in all we are happy with it.