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Old 09-22-2014, 08:09 PM   #1
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Air Bag Valving Leaking?

I've got a 1997 Country Coach Allure and noticed my driver side front air bag is flat. Upon closer inspection, there is high pressure air leaking from what I would call a proportioning valve or pneumatic solenoid valve. Sorry, I'm new to my RV and new to air bag systems like this. If I recall correctly, two air lines on top of valve and one air line on bottom which runs directly to the air bag.

I crawled to the passenger side and there is no such leak. Thing is, it isn't coming from the thread air line ports. It is coming directly from the body of the valve "block" in two spots. I can feel the air shooting out the surface of the valve body.

I thought maybe this was intended to release excess pressure (like a pop-off valve) in the system but other sides of coach aren't behaving the same.

Any pointers?

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Old 09-23-2014, 07:33 AM   #2
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Does it look like this ?
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Brownsburg Indiana
1992 American Eagle
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Old 09-23-2014, 09:19 AM   #3
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Your suspension has ride height control valves that adjust the bag pressure on the fly to keep the suspension at the correct height. It's basically a lever from the chassis to a valve at each bag. Some of the bags may have their own ride height valves, while others share one lever control through a common air line. There will also be an air feed into each bag, and somewhere a dump valve for releasing all pressure in all bags. Any of those valves or the associated fittings could develop a leak but they are industry standard parts and should be easily replaceable. Most truck suspension shops should be able to provide the part.
Gary Brinck
2004 American Tradition; 2014 Buick LaCRosse
Homebase in the Ocala Nat'l Forest near Ocala, FL
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Old 09-24-2014, 07:28 AM   #4
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I will close this thread as I started one directly within the Country Coach forum.

You can follow the thread here:

Manually inflating air bags - Leaking front manifold?
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