Does anyone else have extensions on their inner dual wheels and if so which ones are you using? Took them off our MH after losing pressure repeatedly. The tire installer where we got our new front tires took me around all the 18 wheelers and showed me that NONE of them used valve extenders because they are so unreliable.
Bought a "Pull" type tire pressure gauge and tire inflator, took the extenders off and we've never had a problem since. The first ones I bought from a truck place did not work Mine are on Accuride aluminum wheels on a diesel motorhome, but the same might work for you.
I used extenders on the inside duallys as they are a pain I the butt to access. After a couple months one leaked causing a flat. I tried Cat's Eyes but their weight caused a vibration. What works best.
If I can't reach it my wife can with her smaller hands. I have Pressure Pro sensors also. On my F, I don't use extensions but do have a long chuck to fill and a long reach air pressure gauge. On the Kenworth, no extensions but the KW 7 spoke wheels have fairly large openings. On our first class A, we had them the entire time with no problems at all. We used the stainless steel braided ones and they were installed using a thread sealant to make sure that they didn't loosen.
On our fulltime class A we started out with the same type of extenders on the dual wheels and also had the solid steel tube type extensions on the front to give better access to them. When I had the tires replaced on our second class A, the tire shop installed truck valve stems that were longer and could be bent to the proper shape to access them easily for pressure checks.
While those are the preferred way, By keeping a close eye on my valve extensions, I never experienced any problems with mine in more than 16 years of use. Have you checked big truck service centers for long steel valve stems?
Not "extensions", but actual long stems. Instead, I recommend the long solid metal valve stems as shown in DuffMan's post. Had the solid extenders on our inside duallys when we purchased the truck.
I check my air pressure quite often while on the road and discovered that the inners were leaking air. I went to a truck tire dealer to ask and they advised that the braided extenders were the worst offenders and the solid extenders were lasting about a year before needing to replace on the big rigs. Apparently it has to do with the rubber O-ring degrading.
We decided to just bite the bullet and crawl under the bed to check the pressure and inflate and haven't had a problem since. Strange we picked up the long metal extenders from wall mart and have had them on two F's since with not a problem.
My dually came from the factory with valve stem extensions on it and never had a leak or problem in almost seven years. But these things…! Before she had approached, I was mentally preparing myself for the worst.
I thought maybe she broke one of the rims on a pothole. Maybe she had broken both of them. Maybe the deep-section rims were too difficult to handle in crosswinds. Something — anything. But… the valve extenders? That was the huge problem?
Taken aback, I asked to take a look at her wheels to see what was going on. Strike one. They were clincher wheels, so I removed the tires and tubes to see what was going on.
This revealed what I expected… the valve extenders were installed improperly. She had simply opened the presta valves and threaded the extenders on. She had done one worse too — the valves had been opened and left loose, so one of them had threaded itself shut from the vibration of riding down the road. All the cards were stacked against her — strike two and three. I attempted to make a quick explanation of what had happened, but judging by the near-visible smoke coming from her ears, I decided it was a better choice to just re-install the extenders properly, put the tires and tubes back on the wheels, and send her on her way.
Customer service agents everywhere will tell you that their worst enemy is often an uneducated consumer. Or in this industry, an athlete bursting with pre-race nerves. Unlucky for me — she was both. Believe it or not, but her problem was not an uncommon one.
Thankfully, most people were more polite when the same problem did arise - but I was still surprised by the sheer frequency of such a simple problem. What is the number one cause of valve extender problems? Since the issue is so common — there must be someone or something to blame. The valve extenders are defective. The inner tubes are defective. Yes, the simple white tape that you can buy for 99 cents at the hardware store. You see, a threaded metal-on-metal contact will not be air tight on its own.
Teflon tape is simply a means to fill up the extra space between the male and female threads, and create an air-tight seal. So — before you read any further or try to install your next valve extender — go buy a few rolls of this stuff. This is the type of extender that my expo friend had.
My two personal favorites of everything on the market are the Zipp and Shimano designs. The narrow or non-textured types tend to cause the pump to slip off at pressures over psi 7 bar. There are a couple keys to using this type of extender.
Link to comment Share on other sites More sharing options Dr4Film Posted December 16, Borg is the only one piece valves that I will recommend. Try this link, it seems to work. Thanks, guys. I'll contact them. Chet P Posted December 18, Posted December 18, Bobbyboy Posted January 3, Posted January 3, Bob Yes! Dr4Film Posted January 3, Bob L, 08 dynasty. Create an account or sign in to comment You need to be a member in order to leave a comment Create an account Sign up for a new account in our community.
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