PRXB problem...
My 1997 CC Allure has a PRXB Pacbrake, exhaust brake which replace the original sometime around 2005. The coach now has 67000 miles on it of which I have put about the last 36,000 on it. The engine ...
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It might be the Quick release valve leaking. I had one go bad.
PacBrake Quick release valve C-10559
PacBrake Quick release valve C-10559
