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06-17-2018, 10:07 AM
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#1
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Junior Member
Join Date: Jun 2018
Posts: 6
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American Revolution air suspension
I have a 2017 American Revolution 42P with a Freightliner chassis. Almost every time I shut the ignition off the suspension dumps and if I am parked on an uneven spot such as a fuel island the tag dumps/leaks. This is my first coach with a tag so unsure if that is normal. The suspension always refills ok but takes time obviously. Any suggestions? The coach is still under warranty but nearest Freightliner dealer is an hour away.
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06-17-2018, 10:54 AM
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#2
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Senior Member/RVM #90
Monaco Owners Club
Join Date: Nov 2002
Location: Columbus, MS
Posts: 52,098
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Hi !  Welcome to IRV2! We're sure glad you joined the gang! 
Sorry but I don't know anything about Freightliner or tag axles.
Good luck, happy trails, and God bless!  
__________________
Joe & Annette
Sometimes I sits and thinks, sometimes I just sits.....
2002 Monaco Windsor 40PBT, 2013 Honda CRV AWD
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06-17-2018, 11:11 AM
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#3
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Senior Member
Join Date: May 2012
Posts: 3,222
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Doesn’t sound normal to me.
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06-17-2018, 02:04 PM
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#4
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Senior Member
Join Date: Aug 2008
Location: Georgia
Posts: 8,051
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Call freightliner doesn’t sound normal.
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2007 Fleetwood Revolution LE 40V
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06-17-2018, 02:13 PM
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#5
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Senior Member
Newmar Owners Club Freightliner Owners Club Spartan Chassis
Join Date: Apr 2012
Location: ON THE ROAD...SOMEWHERE
Posts: 6,967
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A few questions:
How do you know it is the tag that is dumping? Is it just by the sound you think that?
Does it look like any air bags are deflating and the coach lowers?
When you have this happen, what do your air gauges say when you get back in the coach?
I'm wondering if you have an air leak.
__________________
Don, Sandee & GSD Zeus. Guardian GSDs Gunny (7/11/15) & Thor (5/5/15)
2006 2015 DSDP 4320 4369, FL Chassis, 2013 CR-V 2020 Jeep Overland, Blue Ox Avail, SMI AF1.
[SIGPIC][/SIGPIC]
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06-17-2018, 03:07 PM
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#6
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Senior Member
Join Date: Dec 2009
Location: Out there, somewhere
Posts: 9,471
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Quote:
Originally Posted by Rclapper
I have a 2017 American Revolution 42P with a Freightliner chassis. Almost every time I shut the ignition off the suspension dumps and if I am parked on an uneven spot such as a fuel island the tag dumps/leaks. This is my first coach with a tag so unsure if that is normal. The suspension always refills ok but takes time obviously. Any suggestions? The coach is still under warranty but nearest Freightliner dealer is an hour away.
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Well
A buddy just bought a '14 American Revolution 42 with tag and his DOES NOT DUMP the air when he shuts down the engine. So, based on that and, the many, many diesel coaches I've been around and camped near by etc. and they don't do it unless it's done manually, I'd guess you have an issue. Now, just where to look on yours for this issue, I can't say.
Scott
__________________
2004 ITASCA HORIZON 36GD, 2011 GMC Sierra 1500 4x4 Toad '18 Honda Africa Twin Adventure Sports DCT
Retired-29.5 yrs, SDFD, Ham - KI6OND
Me, Karla and the Heidi character, (mini Schnauzer)!
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06-17-2018, 05:07 PM
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#7
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Senior Member
Tiffin Owners Club Freightliner Owners Club
Join Date: Apr 2012
Location: Southern NM
Posts: 2,896
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It might be in your HWH panel if that’s what you have for leveling. We had a bad panel and every time I started the MH the air bags would inflate.
Also some tags are designed to deflate when under a certain MPH to ease turning.
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2018 Allegro Bus 37AP
2014 Phaeton 40 QBH (sold)
2022 Jeep JLURD
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06-18-2018, 07:59 AM
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#8
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Junior Member
Join Date: Jun 2018
Posts: 6
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Thanks for all of your replies and Sky Boss is correct, I believe that the noise is coming from the tag at times. I aired everything up yesterday and rolled around underneath to no avail, no air leaks. It is an intermittent issue and seems to happen when the coach is on an uneven or non level surface. I hadn't considered the panel being bad, also could be a level position sensor or adjustment. I burped the air release valve also which sounded like a little moisture coming out of it. Once the suspension dumps the air gauges read 65 psi, and after extended periods they drop to 50 psi. Taking a trip this weekend and from your replies this is not normal so if it persists I'll take it in. Thank you all.
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06-18-2018, 08:10 AM
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#9
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Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
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Certainly not normal. If you don't find any leaks then it's likely the controls.
__________________
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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06-18-2018, 05:26 PM
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#10
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Senior Member
Fleetwood Owners Club American Coach Owners Club
Join Date: Mar 2011
Posts: 6,470
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Shutting off the engine should have nothing to do with the air system. Call REV if you are still having the problem.
__________________
2014 American Eagle 45T
DD 13, 500 HP
Pulling a Honda CRV
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06-18-2018, 11:12 PM
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#11
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Senior Member
Join Date: Mar 2017
Location: Zebulon, NC
Posts: 5,208
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 Welcome to the forum!
We're sorry that it took a problem to get you to join, but we hope that you will stay engaged after you have a resolution to your problem.
__________________
Kelly and Jerry Powell with Halo (Lethal White Aussie), Nash the Rat Terrorist, and now Reid, the "Brindle we have no idea puppy"
2020 Grand Design Solitude 390RK-R
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