You didn't say what terrain you were sitting on, concrete, dirt or blacktop.
We have to put some boards down when sitting on dirt or sand. It gives the jack a bigger area to support the weight of the coach without sinking and sometimes it sinks even with the boards. On blacktop I use some plastic jack support pads that I purchased at Camping World so that the jacks do not sink into it.
I would check to make sure that is not what is happening to yours.
When we are in Florida we sit on our lot on grass/dirt and it sinks the boards into the ground up to 4 inches. I have to relevel about once a month but about weekly the first month until the boards/dirt settle.
Hopefully that is what is happening to yours. If yours is leaking it's pressure, then it could be a control valve or a leak in the system.
Also, Do you air down the suspension before leveling?
I found out on our other coach we used to have that if I didn't flip the lever to exhaust the air in the suspension, it would make noises and jerk the coach as the air depleted in the system with the jacks down.
Ron
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