Sagging right front

[Scott Forman]

The right front corner of my coach is low. When I measure the ride
heights, both sides of the rear are identical, but the right front is
about an inch lower than the left front.

I did a lot of work on my old FC air suspension, so I am pretty
familiar with the system. If the rear ride heights are equal, that
tells me that the rear height control valves (which also control
left/right leveling) are working properly. Since the front has only
one valve, I am at a loss for how it can be out of whack when the rear
isn't.

Suggestions?

Scott Forman
86 PT38
Memphis