You will probably need to find ground that is closer to level as these big coaches are harder to adjust to out of level grade than a shorter wheel base coach. Does the coach have air leveling or jacks or both? Is the leveling system causing the problem with the air ride height valve issue?
Mike, RVIA & RVSA Certified Master RV Technician
Amy, Dr. Assistant - Roxie & Mei Ling, four legs each
2000 Gulf Stream Scenic Cruiser 450 hp & 1330# torque
06 Saturn Vue, 06 Chevy Z71 4x4 & 2014 Corvette Z51 M7