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Old 05-15-2012, 10:06 AM   #1
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Join Date: May 2012
Posts: 4
air system problem 2008 Ambassador

I have a 2008 Holiday Rambler Ambassador, 39', 360 Cummins. I am having a problem with the air system (for air ride). The "rear air" system takes ofrever to come up to a pressure that will release the alarm for low pressure. It never does go as high as it did before (or up to par with the front) and seems to hover just over minimum and alarms and shows low air pressure intermittently.
PReviously both front and rear ran somewhere around 100+lbs, adjusting of course for different conditions, but generally in that area. Now the rear barely makes 75, front works as always.
Service company here says that the air is actually working fine with no leaks, but that the gauge/sensor is not.. They say it needs a new panel cluster, the whole gauge panel assembly. But they are having great difficulty finding one.
Any ideas or anyone seen this problem before. Or any ideas where one might find an assembly? The "new Monaco" not much help.
Any input would be great
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Old 05-15-2012, 10:21 AM   #2
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Monaco Owners Club
Join Date: Feb 2011
Location: Signal Hill, California
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longhornjoe have you checked other "threads" on this subject? I believe I've seen others with similar issues. Sorry I can't recall the fix. deSanford
Sanford, Linda & R cats: Molly, Levi, Cody
2011 Monaco by Navistar RV
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Old 05-15-2012, 06:20 PM   #3
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Posts: 3,151
The dash gauges are very inacurate. Mine sometimes show about 80 lbs. but when I use the Alladin the pressure is 125! BUT I have never had the alarm come on. This is serious and you need to find the problem asap as that rear tank could be connected to your air brakes via a relay valve.
2008 Dynasty 42' Diamond IV
1988 Bluebird PT38
2009 Silverado Toad
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