Welcome to iRV2 and the Newmar family .
Need to know what chassis your Newmar is built on to help.
Spartan or Freightliner ?
Both tanks going down or just one ?
Coach settling on suspension as if you'd dumped the air for leveling ?
99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.