Examine how different, if any, your trailer suspension sets when the trailer is disconnected from tow vehicle, level and unloaded with empty water/waste tanks. If you still have this measurements of uneven from side to side you will need to address possible worn/damaged suspension issues. If you have a proper setting travel trailer you need to adjust the load of your trailer.
We have multiple options available for suspension upgrades/replacement, such as the MORryde Suspension Upgrade... view full answer...