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Thread: CTIS schrader valve and kneeling valve assembly

  1. #31
    4 Star General coachgeo's Avatar
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    for future cross reference....... in case anyone is digging into this in the future... here is 10Luggers thread on near same topic https://www.steelsoldiers.com/showth...valve-assembly
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    OK do you have a Kneeling valve, A Airborne Kneeling valve, or heck just a valve on your tire that has a screwdriver slot to allow the air to escape and flatten the tires so that if you were loading in on a airplane it will not bounce around. I say that because no one, not anyone knows the true name of this device. Even though my friends in Army Maintenance area call it a kneeling valve. So here we go, does it leak even when it shouldn't? Does it leak and you cant find the L connection to change it out. Well I had this problem and could not get any help solving the problem. Got some direction but not actually cures. So I did what the Navy Seabees, Ole Infantry soldiers, and Maintenance soldiers have always done. I use some go ole American engineering.

    So let me tell you what you need before we get started. Two dimes, and a pint can of Flex seal, and thread tape.
    1. First if your tire isnt already flat then let out all the air of your tire using the useless Kneeling valve or whatever you want to call it. Once all the air is out remove the cap.
    2. Once the Cap it off remove the two metal disc and put them in a plastic bag. You wont be using them anymore.
    3. Clean the empty valve cap with a piece of steel wool or even sand paper, make sure you get into the rims.
    4. Wash it out with soap and water and then dry it out, use alcohol and q tips and clean the cap. No dirt or dust or anything left.
    5. Let it dry and check your work for anything like dirt you missed.
    6. Take a q tip and open your flex seal put a good seam around the inside of the cap where the screw valve was to make a gasket.
    7. Let it sit for about five minutes and then drop the first dime into the cap. I used a dime because it fit perfect in the camp with no wiggle room. Put a little pressure on the dime so the flex seal will ooze through the top of the cap there fore sealing the dime into place turn it with the threads up so it will dry for about few hours
    8. Take your q tip and a slowly load the dime from the inside with flex seal. Fill it up to half way or three quarters to the threads.
    9. Allow to dry for about a 24 hours, once it is dry you drop the second dime on top of the rubber to give the whole thing a sort of over stuffed oreo affect. This will help with the pressure on the flex seal.
    10. Put tread tape on the the wheel valve thread then tighten down. This fixes any further leaks and you dont have to change the tire, the line, or the the kneeling valve.
    It worked on my truck and now I dont have any problems at all. And since I already had flex seal it only cost twenty cents to fix it.

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  4. #33
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    there is an outfit called "pro-transmission parts " if i remember right they have had them in the past
    there ph is 877-776-4600
    good luck. and FWIW....
    I have been able to sometimes get the kneeling valves to stop leaking by slightly adjusting the position of the screw slot , not turning it ALL the way back, but stopping it maybe a 1/16 or 1/8 short of full stop
    AND those kneeling valves are only good for two things ....
    1. lowering vehicle height to get it aboard a low headroom transport ( which us civs dont really give a hoot about )
    2. leaking, leaking and then leaking

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    https://www.finditparts.com/products...oration-673240

    Looks like a source. I have not bought one to verify.

    Another reason to get rid of that valve is it's weight. That big hunk of brass will wobble on the stem as you drive and distort the stem, often enough to swedge down the end where the Schrader valve goes, and the valve won't screw in.

    This may be obvious but tires/wheels off the rear of a truck have a simple right angle fitting. Just buy the whole assembly on a wheel with a worn out tire, plentiful from MIL tire dealers, but you have to be able to pick them up to avoid shipping.
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