Ditto on checking tire pressures, especially the front. Don't go with what is stamped on side of tire.
At least set all tires to what the MH manufacturer has on there placard, best to get it properly weighed and then check with the tire manufacturers website for load inflation.
Michelin inflation.
With ours the placard agrees with the weight and Michelin, 65 psi for the fronts and 80 for the rears. Our fronts have been aired up to 80psi at times and the handling is terrible, when decreased to 65 - 70 (fronts only), it drives like a totally different vehicle.
All tire pressures are done when cold (ambient temps), before driving.
Beverley and Ken