Spent yesterday with my ultrasonic leak detector and found two very small air leaks in what I thought were unusual places. Every thing under the coach was air tight. In basement compartment L-4 is the air inlet line leading to the slide seal regulator. In front of the regulator was a small plastic & brass shut off valve that was leaking. I replaced shut off valve with an all brass ball valve. I also found an air line leaking in basement compartment R-5. Had to replace the air line that goes between the air dump valve & solenoid. Now I am air tight again. Not sure if you checked these places. Today I'm going inside the coach to check for leaks. Lots of air lines under the dash.
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Steve
Newell
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