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Old 01-06-2020, 01:44 PM   #1
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Air leaking on 2017 Newmar LA

When we backed into RV garage from a small road it always dumps tags and then I back into place. I then placed in Neutral but the wife said to pull up a little. I turned off engine and an air leak was prevalent on passenger dually or tag area. I restarted engine and leveled using the Hadley and know no leaks. As soon as I start engine it leaks even when being in level position via Hadley. Waiting on callback from Spartan. Does anyone have any ideas?
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Old 01-07-2020, 09:59 PM   #2
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I would suspect an air leak near the dump valve or governor connections, or the air dryer. A spray bottle filled with kids bubble soap will detect any air leaks. How long since the air dryer desiccant filter has been changed? If it is depleted this condition can happen too.

Just be sure to block under the frame to prevent being harmed from the MH suddenly losing air spring pressure, BEFORE crawling underneath, and use wheel chocks.
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Old 01-08-2020, 08:46 AM   #3
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Just changed out wabsco air drier filter in October. Found leak it is blowing out by a valve near dually air bag. Will drive it next week to Spartan service center about 5 miles from home per Spartans recommendation. They also sent service center proper ride height specs.
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