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 Tubeless bead sealing trick

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Tour1
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PostSubject: Tubeless bead sealing trick   Tubeless bead sealing trick Icon_minitimeTue Nov 12, 2019 3:41 am

For What It's Worth:
I had (or have) a slow leak in a front tire, a 15x6 tubeless.
When the air pressure gets a little bit low and I drive it the leak gets worse and overnight it goes flat.
This time it lost the bead seal and my 12 volt air compressor couldn't inflate it.
The bead gap was somewhere over 1/16" on one side of the tire.
I used some "mortite weatherstrip and caulking cord" to fill the gap just long enough to get a real bead seal tight enough to inflate the tire.
They say 14 PSI max but I've been keeping 20 to 30 PSI in them, according to my Harbor Freight compressor's gage.
I bought all 4 tires as clearance bundle items from Walmart, fronts the right size and rears 20 inch instead of 18.
The previous tires had been drilled and filled with insulation foam so I had to hacksaw and chisel them off the rims, possibly leaving the bead area scratched or too rough to seal.
I couldn't seat any of them and took them to a Firestone near me where they inflated them for free (but I tipped).
The Firestone guy put about 25 PSI in each of them.
Today I let the gage hit 30 PSI before unscrewing the filler tube.
The rears look good that way but the fronts get rounded instead of square treaded.
I'm hoping there won't be any bad consequences and maybe the slow leak will be gone.
Time will tell.
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mr.modified
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PostSubject: Re: Tubeless bead sealing trick   Tubeless bead sealing trick Icon_minitimeWed Nov 13, 2019 5:02 pm

Sometimes they can be a super pain to get seated. Especially if you have some older tires which might be a bit stiff. Can also help to warm them up a bit, sometimes we use a heat gun, basically and industrial hair dryer. Or those little electric space heaters can help too.
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prancstaman
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PostSubject: Re: Tubeless bead sealing trick   Tubeless bead sealing trick Icon_minitimeWed Nov 13, 2019 11:05 pm

I use axle grease on the bead as sealant. I put it on the tire and on the rim.
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MightyRaze
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PostSubject: Re: Tubeless bead sealing trick   Tubeless bead sealing trick Icon_minitimeThu Nov 14, 2019 7:15 am

I use grease to on unruly tires.

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Tour1
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PostSubject: Re: Tubeless bead sealing trick   Tubeless bead sealing trick Icon_minitimeMon Nov 18, 2019 12:07 pm

Didn't work, at least for holding air.
6 days or less, could be the valve stem which is not in great shape but I didn't hear any air leaking anywhere.
I'm think of using some leftover blue gasket silicone.
As I recall it doesn't stick like other formulas.
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Creepycrawler
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PostSubject: Re: Tubeless bead sealing trick   Tubeless bead sealing trick Icon_minitimeMon Nov 18, 2019 8:53 pm

get a old spray bottle and mix up some dish soap and water, then spray the bead and valve stem after airing them up. youll be able to find your leaks that way, I usually just buy a tube for leaky tires. I never have much luck fixing them if they wanna leak, usually a rusted bead or some other not easy to fix issue, where tubes are pretty much a do it once and be done thing, I dont have the time or patience to break a tire down 5 or 6 times and mess with it to try to get it to seal properly
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PostSubject: Re: Tubeless bead sealing trick   Tubeless bead sealing trick Icon_minitime

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