Because your question is very Brand and model specific, consider posting the question in the Owners forum. There you will find many owners of the same coach as you have. On the iRV2 main page, scroll about 1/2 way down the page. You will see the owners forums.
2005 Newmar KSDP 3910 + GMC ENVOY XUV 37K lbs Moving Down The Road
The Avatar Is Many Times Around The USA
Nobody Knows Your Coach Like Somebody Who Owns One Just Like Yours