I have a 2003 Monaco Windsor 40PST with the hwh air only leveling system. When the system goes into leveling mode and the system raises the front past a certain point it starts releasing air out of the ride height valve exhaust tube. The air bags don't deflate but will continue to release air until either the tank runs out of air or I manually lower the front below this point. What could be causing this issue? Could it be the travel solenoids as I am also have issues with the front returning to ride height? Thanks for your help.
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I have the same leveling system but I've never heard of your problem.
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2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA, SKP
RV'ing since 1957, NRA Benefactor Life, towing '14 Jeep JKU Dragon Edition
The ride height exhaust tube is dumping air until tank is empty, but the elevation of the front end does not lower at all? In other words while air is being discharged the level isn't changing up or down, correct?
My guess your travel valve is not disabling like it should when you go to manual or auto level mode. Check the coil resistance of that valve. Check out the service manual for your model. You might have a series 2000 system. Here is the service manual for that. https://www.hwhcorp.com/ml31043.pdf
What brand air system do you have? I have air only and its firestone. Got a program from whoever owns Monaco now and reprogramed the system and it works great!
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2005 Monaco Windsor, 40 ft single axle.
TRW GB, Watts front and watts x braces rear. 2013 GMC 2500HD toad.
It sounds like the Travel Solenoid Valve is leaking. When you go into the leveling mode this valve closes and shuts the air supply to the ride height valve, so if you have pressure there the valve must be bad. It's not a solenoid problem because the power is removed from the valve to put it in the closed position.