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03-08-2020, 04:53 PM
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#1
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Junior Member
Join Date: Sep 2011
Posts: 17
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Front Suspension Air Leak
Has anyone experienced driving freeway speed, 68 mph, and low air alarm sound of? Had this issue checked and re checked everyone at Entegra, Cummings and couple of private garages with out finding problem. Spartan tells me its normal, but is alarm normal? Had LMC replaced, but no solution. Two days ago driving out of Texas, alarm went off, thank god pressure restarted re-filling the tank.
Has anyone experienced issue like this? Thank you for all of your help, and safe travels.
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03-08-2020, 07:22 PM
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#2
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Senior Member
Join Date: Aug 2001
Location: North America somewhere
Posts: 30,898
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I suspect the air governor. How long since you changed the air dryer desiccant filter?
__________________
2000 Winnebago Ultimate Freedom USQ40JD , ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG 11B5MX,Infantry retired;Good Sam Life member,FMCA. " My fellow Americans, ask not what your country can do for you, ask what you can do for your country. John F. Kennedy
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03-11-2020, 12:07 PM
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#3
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Senior Member
Join Date: Sep 2016
Location: Sarasota, FL
Posts: 5,228
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I'm assuming the service places sprayed everything down under the coach with soapy water to look for bubbles.
I had ride height valve leaks and also moisture ejector leaks - replaced the front ride height valves and all 3 moisture ejectors.
Before this, as my coach sat parked with tanks aired up, engine off, the front lowered and then the rear over a day or two. I never got an alarm while driving. Don't assume that the leak is in the front, the front just seems to lower first when you have a leak. I would personally drive your coach up on ramps and slide under it with a spray bottle spraying everything that looks like it has a air hose to it, to include air bags.
I've found that I can't trust what a shop says unless I see it myself.
__________________
Rick and Larrie Dee
1997 40' Newmar London Aire DP CTA 8.3 (Mechanical) 325 Spartan MM
Bringing her back to her glory.
'08 Jeep GC Overland.
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03-11-2020, 12:44 PM
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#4
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Senior Member
Holiday Rambler Owners Club
Join Date: Aug 2010
Posts: 9,746
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Quote:
Originally Posted by john8545
Spartan tells me its normal, but is alarm normal?
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Unbelievable  !!
BTW, just because it's your front air tank gauge that is dropping, and triggering a low air alarm, doesn't necessarily mean it's a front suspension problem!
__________________
Ben & Sharon
2008 43' Holiday Rambler Scepter PDQ
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03-12-2020, 08:32 PM
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#5
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Senior Member
Spartan Chassis
Join Date: Feb 2010
Location: Fort Worth
Posts: 1,590
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Quote:
Originally Posted by RKins
I'm assuming the service places sprayed everything down under the coach with soapy water to look for bubbles.
I had ride height valve leaks and also moisture ejector leaks - replaced the front ride height valves and all 3 moisture ejectors.
Before this, as my coach sat parked with tanks aired up, engine off, the front lowered and then the rear over a day or two. I never got an alarm while driving. Don't assume that the leak is in the front, the front just seems to lower first when you have a leak. I would personally drive your coach up on ramps and slide under it with a spray bottle spraying everything that looks like it has a air hose to it, to include air bags.
I've found that I can't trust what a shop says unless I see it myself.
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Very good advice here. Especially the part about RAMPS. Don't get under it without it being up on ramps. You don't want it coming down on you!
__________________
2004 38DS04 Travel Supreme
Cummins 8.3 ISC 350HP CAPS
Spartan Mountain Master
2023 F-150 Towed
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03-13-2020, 07:24 AM
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#6
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Senior Member
Join Date: Sep 2016
Location: Sarasota, FL
Posts: 5,228
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__________________
Rick and Larrie Dee
1997 40' Newmar London Aire DP CTA 8.3 (Mechanical) 325 Spartan MM
Bringing her back to her glory.
'08 Jeep GC Overland.
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