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Old 03-10-2013, 10:18 AM   #1
2dogsbarkin's Avatar
Country Coach Owners Club
Join Date: Oct 2012
Location: Where ever we are parked!
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Air system Maintainance Levelers-Breaks

I got my 04 Allure 5 months ago put 3500 miles on it so far.
I am certain there is moisture in the system and several check valves are not holding. The ABS light goes on and off mostly on.
The Desaccant filter has never been changed so thats my first thing then I want to flush the system with break line antifreeze to see if that will help.
I sat in Pa Oct. to Dec. Wet and Cold and now set in NM Dry and Warm

My leveling system is useless at this point, The compressor runs all the time then goes into excess slope mode, So I have been getting level as I can and dumping it.
Any input?

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Old 03-10-2013, 11:01 AM   #2
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Posts: 4,281
Small steps...

Check or service the dryer, it has check valves that can be issue along with the dump valve.

Next dump all tanks to purge any water.

Then ONE issue at a time focus and troubleshoot.

A bad dryer valve may cause multiple problems.

Also check in with local truck break servicers, they can provide a ton of advise, get this when you get the parts for your dryer.

Also look into manufacturer branded rebuilts, we got a bendix rebuilt AD-9 (rebuilt and backed by bendix) for less money than the supplies to do the work ourselves.

Tony & Lori
1989 Country Coach Savannah SE
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Old 03-15-2013, 11:18 AM   #3
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Country Coach Owners Club
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Well I flushed from the electric compressor
pulled apart all the air valves on the leveling system and cleaned them.
Relpaced the Desiccant filter on the main air system and flusing it with air break antifereeze.
I for sure had 3 stuck check valves which cleaned up easy and are working fine now.
one more to check out tomorrow.
Right now I need a beer
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Old 03-17-2013, 11:12 AM   #4
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Location: Over the next hill, around the next curve...
Posts: 2,389
I think you are on the right steps, but I would replace that air catridge (concur with the rebuilt units being good to use) as soon as possible. Until it is replaced, you could just be recontaminating the lines and valves you are working on.

On the leveling system, also check the level sensors are set properly, replace or adjust as needed.

As you are aware, the air system is a safety item, and brakes could become a real problem for you and others with a bad air catridge in the mix!

Best of luck, and let us know how things work out,
Also in an 04 Allure.
Roo II is our 04 Country Coach Allure 40'
OnDRoad for The JRNY! Enjoy life...
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