While parked in a storage facility, my motorhome got flooded during a storm. The water rose to about 3.5 feet, flooding everything housed in the basement ( inverter, converter, generator). Fortunatel...
Unless it is a very new, high dollar coach, I doubt if it would make financial sense to repair your rig. I suspect that it will be totaled but you need to start pressuring your insurance company to do something. They are obviously not in a hurry to hand you a big check so they could care less how long the dealer is taking to look at things. You need to pressure the insurance company and it is your insurance company's responsibility to pressure the dealer to bring this to a settlement.