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Old 11-23-2014, 11:34 PM   #15
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I use one valve extender and screw on and inflate the inner tires as needed. Frankly, i ran into problems with leaks when I left them on.
I was wondering about this??. Thanks for the input. Perhaps a truck air chuck might be a good idea? I always worry about the damage extensions can cause if they come loose or leak. Especially at high speeds on the freeway.
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Old 11-23-2014, 11:49 PM   #16
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Purchase some dually valve stems that are solid metal that replace the OEM valve stems. It makes it easier to check the air pressure and they won't leak like extensions.

Dually valve kits for Motor-homes, Busses and 6-wheeled chassis

Jon
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Old 11-25-2014, 06:10 AM   #17
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I use one valve extender and screw on and inflate the inner tires as needed. Frankly, i ran into problems with leaks when I left them on.
Me too. Had a flat on the inside tire, extender went bad.
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Old 11-25-2014, 09:12 PM   #18
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Thanks for the great advice. Especially a dual foot chuck also known as a truck air truck. Been holding off on buying a portable air tank until now. Glad I made the decision to purchase. Now I can carry the tank in the rv or car and fill it up at the gas station or with my tire inflator. That way I can easily fill the tires right in the rv park. The dual foot chuck is great. Makes it easy to get at the inner duals. Unlike a 12 volt tire inflator, the tank fills them up in minutes. And no noisy motors. Great for the car too. Just remember, you have to have more pressure in the tank than the tire or it won't work. You'll get back pressure. So this option appears to be best for me. Plus the whole tank system was cheaper than a single set of dual valve stem extenders. Again thanks everyone for the help.
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Old 11-25-2014, 11:00 PM   #19
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the whole tank system was cheaper than a single set of dual valve stem extenders..
You got a "portable air tank system" for less than $25?
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Old 11-25-2014, 11:10 PM   #20
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I think this is the type of portable air tank he is talking about. My dad used to keep one in the back of his pickups before they came out with the 12V air pumps.



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Old 11-25-2014, 11:14 PM   #21
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When we bought our coach (used) it had valve extenders on the inside duals. Coming home 622 miles in one day, the pass inside valve extension broke off at the base of the thread on the primary valve stem. Cost? $560 for a new tire, emergency service, and a new tire chuck.

The other side I caught because it wouldn't hold pressure. Cost to replace valve stem? $90 for emergency service and one valve stem.
I now use the truck tire chuck.
If I don't have the tire chuck along I found I could lay down, insert my hand and a valve stem extension between the two tires and screw the extension on long enough to fill the tire. Our tires are 235/80r/22.5 Michelins on Alcoa rims. I DO REMOVE ANY extensions now...cheaper this way!!
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Old 11-26-2014, 06:28 AM   #22
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I just put my arm between the tires, feel around on the inner rim until I find the valve stem and then put the tire chuck on it and fill them up it is quite an easy process now. The truck chuck is quite the amazing tool.
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Old 11-26-2014, 06:36 AM   #23
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I think this is the type of portable air tank he is talking about. My dad used to keep one in the back of his pickups before they came out with the 12V air pumps.



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Tried to upload a picture to show you guys but attachments don't want to work right now. But yes. A standard portable air tank with a steel valve stem filler. I have a 5 gallon tank with a truck air chuck and 15 feet of industry grade air hose. It holds about 125 pounds of air, which is plenty to top off my MH tires. Nice portable size. Truckers, tow trucks and AAA carry them too. The magic to these? No motor and instant air!!! every full timer should own one. I do carry 2, 12 volt tire inflator when I have to add air on the go. Unlike the tire inflators, the tank is quick. Only takes a couple of minutes to fill up my tires. I will upload a photo if I can get this phone to work right again. With all the complaints I have heard about valve stem extenders on this thread. I get a feeling I'm better off not using them. The whole tank system was about $40.00, and I have no complaints. No air leaks as of yet, the tank system seems to be well worth the money.
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Old 11-26-2014, 09:52 PM   #24
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5 gallon air tank system 125 pound capacity


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Old 11-26-2014, 09:56 PM   #25
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I use one valve extender and screw on and inflate the inner tires as needed. Frankly, i ran into problems with leaks when I left them on.
Doesn't it get kind of tiresome checking the pressure daily doing that? If you aren't checking at least every morning before traveling we can expect you back here with a sad story about the bad tires you bought!
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Old 11-26-2014, 10:02 PM   #26
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Doesn't it get kind of tiresome checking the pressure daily doing that? If you aren't checking at least every morning before traveling we can expect you back here with a sad story about the bad tires you bought!
Properly maintained duals only have be checked once every few months because a good tire holds the air well.


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Old 11-26-2014, 10:19 PM   #27
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Doesn't it get kind of tiresome checking the pressure daily doing that? If you aren't checking at least every morning before traveling we can expect you back here with a sad story about the bad tires you bought!
If you are checking pressure daily, you will have to keep adding air. Truckers check theirs weekly and they drive a lot more than an RV. I found a long plastic tube with one end that unscrews the cap through the hole (no crawling under), the long gauge and an extension for the compressor. I drove 4k miles and never had to add air. This reminds me of the guys who check the oil every day. Do you check your car every day too?
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Old 11-26-2014, 10:52 PM   #28
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Quote:
Originally Posted by jfran304 View Post
Purchase some dually valve stems that are solid metal that replace the OEM valve stems. It makes it easier to check the air pressure and they won't leak like extensions.

Dually valve kits for Motor-homes, Busses and 6-wheeled chassis

Jon
With the above valve stems installed and the double sealing valve caps (below) I can check the air pressure in all 6 tires in less than ten minutes and I'm old and slow. I also don't have to crawl under the coach to get to the inside duals.

A1046-250 Double Sealing Valve Cap Qty:1

Jon
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