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Old 11-27-2022, 09:39 PM   #1
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Join Date: Sep 2020
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Leaking air

2006 Newmar Spartan chassis
The rear air seems to leak down, where as the front is fine stays for days
Even when stopping for a little while such as gassing up I have to wait for rear air to pump back up
I did crawl underneath today to see if I could hear any leaks after I ran engine
Checking air bags etc any ideas
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Old 11-27-2022, 09:52 PM   #2
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Location: Powell River, B.C.
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If your air suspension is leaking down, you don't want to be under the coach, looking for the leak.

Always block the chassis frame to the ground before going under the coach.

Contact Spartan motor home support for an air system diagram linked to your chassis serial number.

The diagram will give you an idea of where, and how, the front suspension system is isolated from the rear so you can safely start searching with a soapy water solution.
99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
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Old 11-28-2022, 05:28 AM   #3
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Location: Central, SC
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I found my ride height valve at the rear was leaking. The rear now stays up for weeks. I need to work on the front now. Get a spray bottle with a bit of dish soap and spray things to find what’s leaking.
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Old 11-28-2022, 05:01 PM   #4
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Use a soapy water spray and squirt it on air lines and fittings until you find the bubbles. And be careful under there - block up the suspension so you can't get crushed.
Gary Brinck
Former owner of 2004 American Tradition and several other RVs
Home is West Palm Beach, FL
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air, leak

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