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Gorlininc · 12-21-2016, 05:06 PM

I had my machanic go through my air system to look for leaks as my total system went to zero PSI in 24 hours. He found several small leaks in the connections. Now it loses air to 60 PSI in 48 hours and stays there. But my front end lowers and the rear stays up. I do not have an understanding of how the system works or how it is connected. Any ideas.
It's a 2001 diplomat 38A
Thanks
Rick

jacwjames · 12-21-2016, 05:53 PM

Your front and rear air bags are controlled by different ride height valves. The front has 1 valve and the rear has 2.

The ride height valves is what controls the level of the coach.

Your front ride height valve may be bad.

There is also a solenoid valve that is used for dumping the air bags. The solenoid valve for the front is located on the firewall. There have been reports that these will leak. If you find the solenoid valve on the firewall see if you can hear air escaping. These can leak if there is contamination in the valve but it can be taken off an cleaned.

RamiDav · 12-21-2016, 06:36 PM

Rick

Does your coach have air leveling ?
If not disregard the following .

My 03 Windsor does and it works just as Jim stated until
I stop and level then those travel valves he described no longer keep it level
Another system , in my case HWH brand leveling system takes over .
This system has a 6 pack of elect valves for the front and another 6 pk for the rear .
These valves are where I found my problem only mine was the rear .
New O rings stopped the rear dropping .

Ray