keystone RV Company A/C sounds like jet engine? trailer self destructing each time we use it. Goshen Indiana

My Wife and  I loved with Our children growing up, and went camping often throughout the years, we,ve owne 4 ifferant makes, models and sizes throughout these years. Our kids are grown and we decided to buy yet one more camper for the two of us and occasionally 1-2 grandkids or such. anyway we bought a BRAND NEW Keystone Bullet 308bhs to accomadate future camping outings. On our first trip WE noticed the ac was EXTREMELEY loud (LIKE A JET ENGINE ) so much that yo ould have to turn the TV volume all the way up in order to hear it, this is not enjoyable we called the dealer to arrange inspection and repair. Upon arriving home from the first trip and as we parked it and began unpacking we noticed ceiling trim coming off the ceiling as well as trim at floor where it meets thre wall. the dealer fixed minor trim pieses and replaced thermostat, wich did not address the noise. on our next trip we still had a VERY loud ac, and also discovered the outside sink does not have any water, as well as more trim falling off and an additional outside skirt over wheel well which was tightened on first trip to the repair shop and it is now cracked and in need of replacement. This unit has been it the shop more then it is used for camping. it is self destructing going down the highway each time we use it.