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08-27-2017, 12:23 PM
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#1
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Junior Member
Join Date: Jun 2016
Location: Mooresville, NC
Posts: 10
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Air ride suspension leak ?
I've had class A's before but never a diesel.... and frankly can't find any literature in my manuals to this question.
After about 24 hours my 2009 Winnebago Vectra 40 foot freightliner maxim chassis drops so low that my rear mudflaps hit the ground.
My greatest fear is if I don't keep my steering wheels straight when I park..... the front steer wheels might damage the fender well.
Now if that is the way it's supposed to work OK.
He just doesn't seem to make sense especially putting front fender wells at risk.
When start the coach it lifts within a minutes and the Audible alarm goes off rather quickly (if only these old ears could hear that) and off I go. However when stopping the engine I have to take extra care that my wheels are pointed straight.
Is that normal?
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08-27-2017, 12:26 PM
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#2
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Moderator Emeritus
Newmar Owners Club
Join Date: Apr 2014
Location: Southern Indiana
Posts: 19,417
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Yes, most Class A's need to make sure front tires are pointed straight before airing down. Dropping in 24 hours is pretty fast but not out of the norm for older coaches. Leaks can be fixed but may take some work to hunt them all down.
__________________
Steve
2002 Newmar Mountain Aire 4095
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08-27-2017, 12:28 PM
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#3
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Senior Member
Join Date: Nov 2010
Posts: 386
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Seems like an excessive leak! Your description leads me to belive the air compressor/pump is the only thing raising your coach and deflates the second you turn it off.
__________________
02 Allegro Bus. Freightliner
ISC 350 Cummins
2019 Chev Colorado
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08-27-2017, 12:29 PM
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#4
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Junior Member
Join Date: Jun 2016
Location: Mooresville, NC
Posts: 10
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Thank you for responding, I wasn't sure and that makes me feel a little better
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08-27-2017, 12:29 PM
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#5
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Senior Member
Join Date: Nov 2010
Posts: 386
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I would inspect the air bags first, then a visual of the lines....if you can do it safely
__________________
02 Allegro Bus. Freightliner
ISC 350 Cummins
2019 Chev Colorado
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08-27-2017, 12:37 PM
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#6
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Senior Member
Join Date: Nov 2010
Posts: 386
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I take back what i said. Read over the 24 hr part. Mine "leaks out" in 24 hrs also, and its a 2002.
__________________
02 Allegro Bus. Freightliner
ISC 350 Cummins
2019 Chev Colorado
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08-27-2017, 01:55 PM
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#7
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Senior Member
Join Date: Mar 2011
Posts: 680
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IMHO, if you are experiencing deflation of your airbags over 24 hours, I would believe you do not have a problem. Our Discovery behaves the same way. Did have to replace the front airbags last year. However, I clearly heard the air leaking out of the bag.
If you do not have an alarm then I would believe you are ok.
Safe travels.
JimB
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09-20-2017, 04:27 PM
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#8
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Senior Member
Join Date: Dec 2010
Location: Tuckerton, NJ
Posts: 164
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Air ride suspension leak ?
Mine also leak down. No big deal. Probably leaking through the bags. My big truck does the same thing. When and if one of the bags go, you’ll know it. (KABOOM!!!)
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2005 Itasca Horizon 40FD
FMCA 428291
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09-22-2017, 10:07 PM
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#9
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Senior Member
Join Date: Mar 2005
Location: Northern Oklahoma
Posts: 5,062
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My 2015 coach on FL chassis bags will go down in 3-4 days, IF the ambient temperature stays above 55-60 degrees. When the temperature drops any lower overnight the bags will be flat the next morning. I have to make an appointment with FL sometime in the next month or so for other repairs and will ask about this.
Also, FL fixed my dash air last summer stating it left the factory with deficient gas in the system and found no leaks. This summer the dash air is putting out no cool air so that also has to be addressed at the next appointment.
Seems FL is getting as bad as most coach manufactures in Quality Control.
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09-23-2017, 05:54 PM
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#10
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Senior Member
Freightliner Owners Club
Join Date: Apr 2004
Location: Show Low Az
Posts: 1,321
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FL, will say 24 hrs is standard. But it could be better. The air compressor has no problem in overcoming this small of a leak
__________________
Dale&Susan, 08 Alfa Gold, DaGirlsRv Blog
2015 F-150XLT_2000W Solar_800 AmpHr Lithium
Magnum_MSH 3012 & PT100
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09-23-2017, 08:15 PM
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#11
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Senior Member
Damon Owners Club Freightliner Owners Club
Join Date: Mar 2006
Location: North East Texas
Posts: 4,946
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our fl chassis will bleed down to zero in about 2 days
in fact today under neath chasing a hyd fluid leak, i still had both air tanks full, took a few to bleed them off
never thought about wheel straight ahead, i always turn them that way so i dont walk into the big ol tire sticking out at night
__________________
USN Retired, Life time member of the DAV.
Enjoying the 2008 Damon Tuscany 4056, #3998 no your eyes are fine, there are really 6 slides
2022 F150 King Ranch or 2012 Edge toads
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09-24-2017, 08:11 AM
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#12
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Senior Member
Fleetwood Owners Club Freightliner Owners Club
Join Date: Nov 2010
Location: Texas
Posts: 4,283
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The Suspension Air switch. In Auto after I've lowered the hydraulic jacks will allow air out of the bags. It is quieter than in the Lower mode. Takes 15 min?
If i dont put the jacks down the air stays in the bags. Over night level lot. 15 Discovery.
__________________
Full Timers.
2015 Fleetwood Discovery 40E on a Freightliner XCS chassis with a Cummins ISL9 pulling 1 and/or 2 motorcycles, '07 Honda Accord OR a 17' Runabout Boat.
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09-25-2017, 06:54 AM
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#13
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Senior Member
Freightliner Owners Club
Join Date: Mar 2009
Posts: 218
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Try putting some liquid dishwasher soap in a squirt bottle along with water. Squirt the solution onto the airlines, bag and everyplace that you think of. The solution will Bubble at the point of the leak.
__________________
2000 Itasca Horizon 36LD 300HP cat 3126B
1999 Chevy Tahoe 4x4
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09-25-2017, 07:16 AM
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#14
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Senior Member
Join Date: Oct 2012
Location: Foley AL
Posts: 7,138
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I wouldn't worry as much about losing air overnight as why your mudflap touches the ground when aired down. With the coach fully aired down, the flap should have a few inches of clearance.
Yes .... straighten your wheels before airing down.
__________________
2005 Newmar Essex 4502, 2013 Caddy SRX
1997 HR Endeavor 37, CAT, 1996 Geo Tracker
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