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Old 11-14-2013, 03:31 PM   #15
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I had low pressure on an inside dual and at that time wasn't set up to inflate myself. Drove slowly to a truck tire facility where they promptly removed the extender. Said that most motorhome tires they see are caused by leaking extenders. The hand holds in my wheels are large enough that I can inflate without the extender. Took a little looking to find tools with angles that let me check pressure and inflate without the extender but sure eliminates a lot of problems.

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Old 11-14-2013, 03:37 PM   #16
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I also have had to replace bad extenders, but another problem is aluminum wheels and cold weather. They tend to leak around the bead when it gets cold. Just had that problem on my SUV.

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Old 11-15-2013, 07:57 AM   #17
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Originally Posted by Arch Hoagland View Post
ga traveler...........Is there an alternative for the rear duals besides the braided extenders?

When you say long stems...will they extend far enough for an inside dual to be filled/checked?
Yes. They stick out the wheel covers far enough to service the air with a regular chuck. The extenders are known for leaks. At our dealership we had many problems with stock units leaking tire pressure. There is a simple way to check. Simply remove the extender from the tire that is leaking down. If the leak stops (and it will) you have found your problem.
I never in fifteen years at the dealership and almost forty years of motorhome ownership seen a motorhome tire leak down from the bead.
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Old 11-20-2013, 05:09 PM   #18
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I got the Borg extended valve stems and had the shop install them a few days ago; $140 for the valves and $120 installation. Should've done it this way the first time around. So far so good.

The shop guy and I had a rather entertaining time holding the heavy wheels and feeding the long valve stems through the various holes etc. He said they see a lot of RVs with leaking extensions but the only thing they've been able to do is replace or remove the extensions. I left them my paperwork so they might make the Borg valve stems available.

BTW, Pritchett's Tire in Cleveland, Ga. is a good shop. Fair prices and good work.
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Old 11-20-2013, 05:19 PM   #19
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I also went with the Borg Dually Valves for the rears and fronts.

If you want to continue to have leak problems and headaches, stick with the extensions. It doesn't matter whether they are flexible braided or stiff metal ones, all of them will have leak problems at one time or another.

My one piece Borg stems have NEVER leaked over the almost 4 years that I have had them on my wheels.

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