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Old 10-16-2020, 09:19 PM   #1
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Valve extension supports

A year or so ago, I ordered the rear duelly valve extensions and had them installed when I bought new tires. The inner tire had a long straight valve stem that fit into a grommet (rubber stabilizers) in the outer rim hole.

However the valve stem from the outer tire itself did a 180 through the rim hole with no stabilizer.
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I did have an issue a few months ago where the outer valve stem loosed from vibration and the tire went flat. I pulled that tire off, broke the bead, and tightened the nut holding the valve.

Last week I ordered two more stabilizers for the 2” hole and installed them today.

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Since the stem is off-center and close to the edge of the hole in the rim, I had to modify the stabilizer with a utility knife.

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Using a flat head screwdriver, I was able to install the stabilizer however I didn’t like that the stabilizer hole was now a slot.

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Using some rubber cement, I was able to ram the piece I cut out back into the slot to give all around support for the stem.

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Attachment 1

Completed job with stabilizers on both stems.
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As a footnote, if I had to do it again, I would try drilling a new hole near the edge and feeding the valve through the new hole.
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Old 10-16-2020, 10:15 PM   #2
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Nice project report. Thanks for the pictures.
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Old 10-17-2020, 01:47 AM   #3
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RVThere, the holes in my Rims are 1-1/2 “ & the Rim Thickness is 3/16”.

I like how you corrected yours to fit the Stem location.

Where did you buy your Rubber Stabilizers?

This what was previously able to find:

Some sort of OEM,

https://www.shinyrv.com/product/valv...round-vhrg1-5/

Generic Rubber Grommet with a little large internal hole,

https://www.rubberfeetwarehouse.com/...ts-1-1-2-holes

I never pulled the trigger and ordered as I had too many other things that needed repair, and kept my repair attention.

Lucas
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Old 10-17-2020, 12:22 PM   #4
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Quote:
Originally Posted by LucasCali View Post
RVThere, the holes in my Rims are 1-1/2 “ & the Rim Thickness is 3/16”.

Where did you buy your Rubber Stabilizers?

Lucas
This is where I bought mine. They have the 1.5" size too:

https://yourtireshopsupply.com/produ...iameter-vhrg15
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Old 11-22-2020, 06:53 PM   #5
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A quick and inexpensive solution is to buy a short length of fuel hose at your local auto parts store with the same inside diameter as the outside diameter of your valve stem and slip it over the stem(they fit pretty tight). The thickness of the tubing is the right size and puts just the right amount of tension between the wheel and the stem to stabilize it. That is what I used on both the outside rear rims and the front rims...they work perfectly and dampens all of the vibration that causes the stems to loosen. I also used thread lock on the inside nuts when the new stems were installed.
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