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Old 09-27-2015, 06:36 AM   #1
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Air Suspension

2007 Allegro Bus--when I park it, after two days the front end goes down and the body is resting on top of the tires. Air gauges show normal 135 to 145 lbs. Had air bags checked --no leaks. Is it normal for the coach to do this?? Rear of coach stays "up"

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Old 09-27-2015, 09:51 AM   #2
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Sounds pretty normal. My Phaeton's rear end goes down after a few days or a week or so. My levelers aren't down and I expect it to. Any reason you are not using your levelers?

Roger & Mary
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Old 09-27-2015, 10:36 AM   #3
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When I was at Camp Freightliner, he indicated that wind blowing against the side of a coach, will cause the levelers to release air in an attempt to level. I had not thought of that possibility prior to that, since I haven't seen my coach dropping by itself without me dumping the air bags and/or leveling. I would have thought it be a leak somewhere, but maybe it's not.
DaveB, Raleigh, NC
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Old 09-27-2015, 11:40 AM   #4
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They all lose air over time when sitting some faster than others. I wouldn't be too concerned about that especially since you had the air bags checked. I make it a point to dump the air when I park it for a while just so that it settles down evenly as possible on the air bags.

One thing you said concerns me. If the coach is sitting on the top of the tires themselves then something is wrong. My tires never sit on the top of the tires and shouldn't. Now that is something I would have looked at for sure. If the chassis is Freightliner, then I would find a Freightliner oasis shop. Check out the shop first because some of the Oasis shops haven't a clue about MH's. I take mine to Freightliner in Gaffney SC every year for service because they know what they are doing on a mh chassis (chassis manufactured just down the road).
Mel (Melanie) and Harry
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Old 09-27-2015, 06:00 PM   #5
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This is my 3d motor home and I have never had to use the levelers when storing the coach Other two would stay at whatever height they were when I parked it
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Old 09-27-2015, 06:04 PM   #6
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A friend of mine has a 2008 40 ft Allegro Bus and had problems with his front air bags losing so much air the engine compressor could not keep them inflated. Freightliner could not find the problem and after 2 more sets, the problem was solved. Freightliner said it was a bad lot of airbags.

Bob & Joan Alexander, 2010 Tiffin Phaeton 36 QSH, 2013 Jeep Wrangler (toad)
Lobo & Juniper (woof, woof)
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