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08-05-2022, 08:28 AM
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#1
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Junior Member
Join Date: Aug 2022
Posts: 17
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2003 American Tradition rear bags won't air up
2003 American Tradition rear bags won't air up after tire company installed new rear tires...
I am wondering where I can find a schematic or some diagram that shows the rear air system, solenoid etc. The coach airs up fine with the tank and purges when full and the front comes up. but nothing at the rear... No air hissing sound that I can tell from the bags... Don't know if the tire company didn't air down before jacking or?
So I am open to any suggestions.. Thanks for reading and your time...
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08-05-2022, 08:41 AM
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#2
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Senior Member
Monaco Owners Club
Join Date: Feb 2009
Location: Utah
Posts: 2,886
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Check the link to the air ride valve. I have seen these links cam over and cause the air to not be diverted through the air leveling valve to the air springs.
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08-05-2022, 08:44 AM
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#3
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Senior Member
Join Date: May 2018
Posts: 115
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I don't know what leveling system you have but I had the same issue recently after having new tires installed. I drove straight out of the shop bay to the parking lot. Turned off engine and hit the "Level" button which empties all air bags. Started engine and pressed "Store" button and all was good. No issues since.
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2004 Newmar KSDP 3905
Cummings ISC-330, MM Chassis
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08-05-2022, 12:38 PM
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#4
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Senior Member
Join Date: Sep 2018
Posts: 355
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X2 on check the vertical rod on the height control valves.
WARNING. Do not get under the coach without some sort of cribbing or support to keep it off you. You will be working with the suspension system after all. Make it safe for you to work on.
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Richard Entrekin
99 Newell, Maverick Hybrid Toad
Inverness, Fl
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08-05-2022, 03:27 PM
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#5
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Senior Member
Join Date: Aug 2008
Location: Georgia
Posts: 8,638
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Quote:
Originally Posted by captsam54
2003 American Tradition rear bags won't air up after tire company installed new rear tires...
I am wondering where I can find a schematic or some diagram that shows the rear air system, solenoid etc. The coach airs up fine with the tank and purges when full and the front comes up. but nothing at the rear... No air hissing sound that I can tell from the bags... Don't know if the tire company didn't air down before jacking or?
So I am open to any suggestions.. Thanks for reading and your time...
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Did they use MH leveling system to raise for tires?
If so check ride height valves linkage arms might have pull off.
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2007 Fleetwood Revolution LE 40V
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08-05-2022, 04:53 PM
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#6
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Senior Member
Join Date: Dec 2019
Location: Canyon Lake, Texas
Posts: 3,020
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As others have mentioned it probably has something to do with the air ride leveler valves which are between the top of the rear tires and the frame on our 2002 AC. Could be as simple as linkage off or cammed over or knocked out of adjustment. The rubber bushings in those links can dry rot and fail and fall out under duress also.
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2002 American Tradition 40'
Cummins 8.3, Banks 431hp, 1260 tq
Canyon Lake, TX
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08-08-2022, 09:56 AM
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#7
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Junior Member
Join Date: Aug 2022
Posts: 17
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Pictures found nothing damaged
Got underneath and inspected everything and can find nothing wrong.. Everything appears intact. so It must be NOT getting the signal to inflate.. Where to track that down? Possible wiring diagram??. Have a better pic of the tank and both solenoids.. all looks good...
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08-08-2022, 10:09 AM
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#8
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Senior Member
Join Date: Jul 2018
Location: Oklahoma
Posts: 240
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It looks like your suspension is in an extended position looking at the bags and shocks. Is that a piece of wood under the bottom air bag mount? Im sure no expert by any means bur something isnt looking right to me. I hope Im wrong.
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Questios, questions, questions. Yeah, I’m that guy. But, I’m learnin!
2009 American Tradition 42P. ISL Cummins 425hp, Spartan chassis w/ tag, Allison trans,
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08-08-2022, 10:36 AM
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#9
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Junior Member
Join Date: Aug 2022
Posts: 17
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Coach information
Coach information so any diagrams etc. can be specific to this particular model.. thx..
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08-08-2022, 10:38 AM
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#10
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Junior Member
Join Date: Aug 2022
Posts: 17
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Quote:
Originally Posted by Jandcinok
It looks like your suspension is in an extended position looking at the bags and shocks. Is that a piece of wood under the bottom air bag mount? Im sure no expert by any means bur something isnt looking right to me. I hope Im wrong.
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NO...... Just up on the leveling jacks so I could get underneath to inspect. The air bag is discolored from sitting in the down position for a year.. and I just extended it by picking up the coach...... And no that is not a piece of wood.. It ia a very strong heavy duty metal bracket /arm you can't see from this viewpoint..
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08-09-2022, 08:11 AM
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#11
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Senior Member
Join Date: Sep 2018
Posts: 355
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Do you have an HWH leveling system?
If so, do you know where the six pack of leveling solenoids is located?
The travel solenoids will be the ones closest to the bulkhead where the six pack is mounted. A quick sanity check, with the key on, and coach in travel mode, is if a steel washer will stick to the solenoid valve. That is telling you if the HWH system is energizing the solenoid and trying to open it.
I would find the air line connection between the bag and the travel solenoid. Disconnect it, and inflate the bag with a stand alone compressor. That will tell you if you have an air bag problem or a system problem.
__________________
Richard Entrekin
99 Newell, Maverick Hybrid Toad
Inverness, Fl
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08-21-2022, 03:37 PM
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#12
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Junior Member
Join Date: Aug 2022
Posts: 17
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Finally got a schematic from Spartan
Here we go.. Can't get it to print out right though..
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08-22-2022, 06:33 AM
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#13
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Senior Member
Monaco Owners Club
Join Date: Feb 2009
Location: Utah
Posts: 2,886
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It's hard to tell in the picture of the orientation but is it possible that the arm on the ride height valve could have cammed over when the coach was raised to install the new tires. I've seen these cam over when overly extended such as raising a coach up and not supporting the axles properly.
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08-23-2022, 04:21 AM
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#14
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Junior Member
Join Date: Aug 2022
Posts: 17
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Found a problem.
Found where they disconected part of the system up front where they added a new fide height controller..
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