'98 American tradition, second valve for rear airbags
Hi everyone, I was recently on a trip and after about 2 hours I lost all pressure in the secondary air system. The feed to the leveling valve in the rear of the coach snapped off at the bar on the leveling valve itself. My question is, what is the second valve that is plumbed after the leveling valve before the rear bags? On site mechanic was able to install a new leveling valve bypassing the second valve. What I'm wondering is the purpose of the second valve and if it has any relation to the power gear hydraulic leveling system. Maybe it's some kind of dump valve? The first two pictures are the valve after the leveling valve front view and back view. The third picture is the leveling valve which is currently pumped directly into the airbags.
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