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Old 07-01-2013, 08:03 PM   #1
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Are the tire valves that come standard on the new Sunseekers any good? I've read a lot on various forums that good ones are expensive. Guessing these being stock means they are just OK. See attached pics. The inner tire has the yellow valve. The outer tire has the metal valve. I am losing about 15 psi every 24 hours on one of the outer tires. Hoping its a valve rather than a tire. Although the tire is a possibility too. While I'm adding air in the storage lot, I'm standing there looking around and notice a nail on the ground five feet from the leaker tire!!!

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Old 07-01-2013, 10:00 PM   #2
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I have had to replace two of the valve extender caps on my Sunseeker. One tire was losing air when I brought the motorhome to my house from the dealer. I put soapy water on the valve stem cap and found the leak. It seems that the caps have a tendency to stick slightly open when air pressure is checked thus causing a slow leak. I hope this helps.
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Old 07-02-2013, 07:09 AM   #3
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What did you replace them with?
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Old 07-02-2013, 10:44 AM   #4
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I had a similar issue with a valve extender on an outer rear. I just removed it and put a normal valve cap on. I'm still able to check the air pressure without the extender.
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Old 07-02-2013, 11:43 AM   #5
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Tire valves

I replaced the original push button caps with ones I purchased at O'Reilly's Auto Parts. I don't remember the brand. I have also considered going with valve caps because you can still access the valve stem to check pressure. Just so we are clear, I am referring to the push button caps that are screwed onto the valve stem extenders instead of the standard caps. They are about 1/2" long.
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Old 07-02-2013, 05:34 PM   #6
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Those little extender pieces are not needed and another thing to leak. Valve caps are important to stop leaks. GM consider them the first defense against leaks.
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Old 07-02-2013, 05:58 PM   #7
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JimV is correct the "valve-cap" extender should not be a substitute for a regular metal cap that has an internal O-ring seal. Each screw on thread is a potential leak point and a single grain of sand can cause a tire to loose multiple psi per day.
Tires have age limits and the rubber parts in valves (O-rings, gaskets etc) also age and all these parts should also be replaced every now and then.
The best and easiest plan on when to change is to have all rubber components changed whenever you get new tires.

If you want more details or info on valves please PM me.
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Old 07-03-2013, 09:39 AM   #8
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The ones on the inside tire were recommend to us by an over the road trucking company. back in the day we had a few stainless steel braided ones rub and break. So we switched to the Air-Flexx.
As for the outside..what tends to happen is when you try and put a chuck on them they can move and loosen. The BEST way for the outside is to just use the standard Ford nozzle and a "reverse chuck" to add air/check air. If that is not an option...make sure everything is tight.

Here is where you can find out more about the Air-Flexx system.
air-flexx® valve extensions
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Old 07-03-2013, 09:51 AM   #9
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Quote:
Originally Posted by bclemens View Post
The BEST way for the outside is to just use the standard Ford nozzle and a "reverse chuck" to add air/check air.
bclemens - Can you advise what a "standard Ford nozzle is"? Would I get that at a Ford dealer? Also how the "reverse chuck" fits into the picture? Thanks!
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Old 07-03-2013, 09:58 AM   #10
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A standard Ford nozzle is the one that comes on the tire. You would not get them anywhere as its already on the tire...No extension. We put the yellow air-flex onto the Ford nozzle which extends it to the outside to make it easier to check.

In the case of the "outside" tire, the nozzle actually faces inward (we put an extension on that reverses that to the outside). Without that extension you would need to use a reverse chuck. So you push the air gauge through the wheel opening and then "back it onto the non-extended nozzle"
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