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04-09-2019, 10:55 AM
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#1
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Junior Member
Join Date: Apr 2019
Posts: 2
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No Air Pressure in Tradewinds
Hey Everyone, new to RVing. We just bought a used 1999 National Rv Tradewinds 7372 with Caterpillar 300 hp turbo diesel and Allison Transmission. We took our first trip to Arkansas and over to N.C and back to Michigan with very little problems, basic maintenance stuff and new Michilin Tires. We backed into our driveway, which was very soft this time of year and the low air warning light came on and the parking brake popped up engaging the spring brakes as it should. Now I have nothing, it does nothing when started, walking around can not hear any air leaks and airing up through schrader valve on Pure air Plus dryer did nothing, suspecting low pressure switch or parking brake solenoid problem? any suggestions? admittedly Dryer didn't get serviced before our trip and could be in dire need of service.
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04-09-2019, 11:09 AM
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#2
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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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No air leaks with engine running could be the compressor.
__________________
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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04-09-2019, 11:49 AM
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#3
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Senior Member
Join Date: Jul 2014
Posts: 35,446
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If you can't fill the system, you have a big air leak.
Suspect the air dryer. Look at the bottom of it. It may have a threaded hole for a temporary pipe plug.
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04-09-2019, 02:16 PM
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#4
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Senior Member
Join Date: Dec 2009
Location: Out there, somewhere
Posts: 9,941
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Yep,
If you've tried to fill the system through the schrader valve that's on the air dryer or where ever it is, and you're not accomplishing anything, you definitely DO have some serious air leak some place. I'm no tech by no means so, If this is pointing towards the compressor, there's a whole lot more qualified folks to suggest where to look and or go, if that's the case.
Scott
__________________
2004 ITASCA HORIZON 36GD, 2011 GMC Sierra 1500 4x4 Toad '20 Honda NC750X DCT
 2018 Goldwing Tour DCT Airbag
Retired-29.5 yrs, SDFD, Ham - KI6OND
Me, Karla and the Heidi character, (mini Schnauzer)!
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04-09-2019, 03:08 PM
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#5
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Senior Member
Forest River Owners Club
Join Date: Dec 2010
Location: Livingston, TX
Posts: 1,088
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Make sure ur levelers are completely up and haven’t drifted down a tad.... if that happens, bags won’t inflate....
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04-09-2019, 03:12 PM
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#6
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Senior Member
Join Date: Jul 2014
Posts: 35,446
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Its not likely the compressor. Even bad, you can charge up the system.
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04-09-2019, 04:25 PM
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#7
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Senior Member
Join Date: Jan 2019
Location: Macomb MI
Posts: 212
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Must be a Michigan thing. Mine did the same thing last year backing into drive. Was front airbag. Glad you mad it home.
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