We have an EL with the air suspension, and it seems to run down pretty quick. Is it normal for it to have to pump up if we are not changing the load level in the truck? If it sits for a few hours it is visibly lower and of course pumps up when we start the truck. I just wonder if it has a leak somewhere. If you have it, how often does yours have to pump itself back up?
I agree with Freak4Ford. Take it in to have it checked out. My Expedition had a similar issue. One airbag would leak and the vehicle would be leaning to one side after a few hours passed. They replaced some vital seals along with a few parts. So far, so good.
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