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Old 05-27-2010
Dennis Dennis is offline
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Join Date: Jun 2008
Location: Malibu
Posts: 827
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Robert,

Here's the report. I did everything you suggested and with the same result that I had before. Then I noticed the sound of air escaping from somewhere in the area behind the firewall of the aux air compressor bay - the area under the driver's chair. This is the same area that I am hearing that "groaning" noise which at times I thought was coming from the small air tank in the same bay, but is really coming from the otherside of that firewall. I don't know if it is from the suspension valve or a hose or? I will be bringing the Coach into the shop on Tuesday instead of Wednesday - at least now I can direct them with some evidence to a probable area.

Any idea what is behind that firewall besides the suspension dump valve?

Thanks again to all of you for your help on this.

Dennis
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Dennis Torres
2004 M380
Malibu, California
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