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Old 10-19-2018, 04:45 AM   #1
Winnebago Camper
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35U Adventurer rear tire inflation

Where do I access the air valve on the inner rear tires?
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Old 10-19-2018, 06:26 AM   #2
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my 2004 35u has extensions that stick through the wheel openings.
Michael and Julie
2004 Adventurer 35
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Old 10-19-2018, 06:38 AM   #3
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Valve extensions! If your coach doesn't have them, get them installed ASAP. When I bought my first coach, I noticed after the sale that I could even access the rear tires to get air in them. I had all my tires rotated and while they were rotating them, they installed the extensions. My new coach already has extensions installed (one of the first things I checked before the sale was completed!).
Arthur & Sheila Mullis and "Cam" the Kitty (FMCA # F474120)
Driving 2016 Winnebago Adventurer 37F
Towing 2018 Ford Explorer 4x4 Platinum
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Old 10-19-2018, 09:06 AM   #4
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In the absence of extenders, you should be able to access them with an inflator designed for duallies:


This means you'll need to carry a compressor. Unless you're very lucky, the typical gas station tire inflator isn't going to have the necessary two-way extended nozzle. I carry a $100 pancake compressor that does double duty at home for air tools. In addition to handling the pressure, you need something that's not going to take all day to inflate your tires.

Flexible extenders are a quick, inexpensive and easy add but rigid, metal ones, installed in place of your current valve stems are the best, particularly if you're going to install a tire pressure monitoring system (TPMS). IMHO the flexible ones are too floppy for the TPMS sensors but you can stabilize them with pieces of pool noodles until you install rigid, metal ones. The downside of the metal extensions is cost and that the tires need to be removed from the rims for installation. You can install the flexible ones yourself if you're good with your fingers. The safest flexible ones are covered by a metal braid.

From what I've read, many, if not most, truckers think we motorhome owners are wimps for needing extenders.
Bob C
2002 Itasca Suncruiser 35U
Workhorse Chassis
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Old 10-24-2018, 09:30 PM   #5
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Unless the mechanic/owner has fat hands or wider tires have been installed, the inner valve stem is accessible by squeezing your hand between the duals. I have 6" metal extensions to screw onto the TPMS sensors on my inner metal valve stems when air is needed.

2000 Winnebago Ultimate Freedom USQ40JD, ISC 8.3 Cummins 350, Spartan MM Chassis. USA 1SG, retired;PPA,Good Sam Life member,FMCA."We the people are the rightful masters of both the Congress and the Courts - not to overthrow the Constitution but to overthrow men who pervert the Constitution. "Abraham Lincoln"
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Old 10-25-2018, 12:13 AM   #6
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I bought the braided extenders for the rear duallies from the same dealer/rental company that sold our Minnie to us. About $90.00 to do both sides. The kit included standoff brackets for the air fill ends and made them stable enough for the TPMS sensors. I went through three different angled solid extenders for the fronts before finding the right ones that would allow easy filling and space for the sensors.
2016 Minnie Winnie 27Q on a 2015 Ford E450 chassis. Retired U.S. Air Force. Living in Anchorage, Alaska
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Old 10-25-2018, 09:25 AM   #7
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Dually Valve Extensions

Just a word of caution. If your coach has steel wheels Winnebago installs PLASTIC extensions, at least they had on our 2014 Forza. Cheap, cheap, cheap!

It caused total air loss of an inner dual first year we purchased it prompting our first service call. While still on the road, several states away, I installed Air Masters braided extensions. Have had No air loss since then and they support the sensors from TST with No problem. TPMS purchased after this event, I did remove outer covers.

When it's new tire time I'll install "solid" extensions, until then these are fine.
Tara is our Border Collie daughter.
2014 Winnegabo Forza 34T
Dragging a 2015 Cadillac SRX, very nicely!
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