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Old 12-01-2020, 02:44 PM   #1
Entegra Owners Club
Join Date: Aug 2019
Location: Always on the Raod
Posts: 52
Valve Extensions for inside Dually

Anyone else have issues with these failing? I have had my rig for about 18 months. I have replaced both side once and not going for a second time. Any recommendations on good replacements?
2020 Entegra Aspire 44r
2019 Ford Raptor (Chasing not towing)
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Old 12-01-2020, 04:20 PM   #2
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Newmar Owners Club
Spartan Chassis
Join Date: Mar 2012
Posts: 871
You don't mention the style of extensions that came on your coach.

I've had four coaches (three different brands) and found that the metal ones are less likely to leak, although these things are made cheaply. Like a garden hose, they need to be tight but not over tight where is deforms the seal.

A couple years ago I had a slow leak on an inside dual and went to a truck tire center replace the extension. Just in case the main valve had a problem, he recommend doing a new valve while the tire was pulled off. Not sure which was really leaking, but it holds well now.
Craig and Susan
Morgan Hill, CA 2007 Newmar Kountry Star 3910 towing a 1998 Ford Explorer. RVing since gas was 58 cents a gallon. Amateur Radio Operator (W6ADV) since 1962.
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Old 12-01-2020, 04:23 PM   #3
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Newmar Owners Club
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Location: Southern Indiana
Posts: 18,138
I would eliminate the extensions and go with one piece stems.
2002 Newmar Mountain Aire 4095
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Old 12-01-2020, 07:07 PM   #4
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Location: Rogers, AR
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You never gave any information on what the failure was, so this may. or may not apply.

Freightliner installed some valve stems bent at an incorrect angle on the inside dual, which caused failures of the extensions installed on them. They recently sent out a recall for inspection and or replacement of the valve stem, extension and rubber grommet.

I doubt the valve stem was a Freightliner item. Most likely from a supplier and some them could have come your way. May be worth checking out.
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