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Tubeless tyre repair with plugs..


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Posted

I have a good tyre with loads of tread for the Volvo but unfortunately it had a screw through it about 1" in from the edge of the tread. Is this repairable? I have repaired punctrures in the past with a very old dunlop tyre repair kit I used to have that used rubber strips, covered in vulcanising fluid that were pushed though the hole, is it still legal to do this? Ive googled the topic but have found conflicting answers.Maybe I should just buy a part worn tyre and accept this one as a dead loss!

Posted

as long as its not on the corner edge of the tyre, it should be repairable, used to do these day in and day out, Twit-Tit would always recommend only 3 patches before going for a new tyre, mind some of mine had nearer 10 :lol:

Posted

Mushroom/plug patches used to be illegal but they're an accepted repair these days.If it's close to the sidewall they won't repair them. However... there are places that will vulcanise them and once reapied they are actually the strongest part of the tyre. I used to work for a company that did it and 99% of the time the repair was successful.There is (or was) a place in Nantwich that does it Tim and there is one in Hooton (Wirral) too, let me know if you want the details.

Posted

Ive had a couple of places look at it and in their opinion its too close to the sidewall to repair, although im sure ive had some punctures that were as close to the side repaired in the past without question. Ive had the tyre removed so I can inspect it for further damage and it all looks sound apart from that damn screw hole. Its only an "ambassador" tyre and theres about 4mm worth of tread on it so its probably not worth going to the trouble of getting a vulcanised repair on it. If it were a month old pirelli then I would...Oh well, ill just have to get my trusty sharp knife out and dispose of the damaged tyre via the wheelie bin, one piece a week :wink: .

Posted

Would your local place put an inner tube in? That's what I usually do.

Posted

Tubes are illegal now, arnt they? Its going on an alloy wheel too if that makes any difference.

Posted

Got my tyre 'vulcanised' and it's held air for nearly a year. They put a patch on and then heat it up in a big clave thing, like a big anvil shaped iron sitting on it. The bloke was saying how incredible and magical the patch was.If somewhere says 'We don't repair side walls', then scalds you as if it were a war-crime, and then tries to confiscate the tyre (from experience), run away and go somewhere else, and never go back there, they're skill-less YTS sheisters.

Posted

To be fair both places said they "could" repair it but the patches and mushroom plugs they use are designed for the main tread area and it wouldnt be worth their while as Id come back after a few weeks complaining my tyre had gone down. I think the big iron things that weld the patch onto the tyre are pretty specialised stuff and not normally found in a railway arches type small tyre fitters.

Posted

For future reference, there used to be a vulcaniser in Stone near the railway station. If I can remember the details I’ll post ‘em later.

Posted

If you put a tube in you HAVE to repair the actualy puncture (on the tyre itself) too.Also in the event of a nail or something going through a tubed tyre will deflate immediately, not a good thing.Oh, and you can only tube tyres down to '70' series profiles.Station, did you go to D&M (Hooton Works) by any chance? Those anvil things are called mandrills (sp?) and heat the patch on to the tyre.

Posted

Tubes are illegal now, arnt they? Its going on an alloy wheel too if that makes any difference.

I don't think so. Why are they still selling them? maybe it's different with commercial tyres, but I don't have a problem getting them fitted.
Posted

In my experience most tyre places only offer a repair service to get you to go in, at which point they'll huff and puff about safety and sidewalls and try to flog you a full set of Avons at £120 a corner.

 

Plus last time I went to ATS it was £9 for a repair, yet I can get partworns up to 16" for £15. They let me dig around and find decent tread, fit and balance them, and if they do have a leak they get swapped for free.

 

I tried to get a repair on my newish 205/50R15 and I'd run it so low it buggered the inside of the sidewall. New tyre time! I've just had to pump the other side (the other newish tyre!) up from 18psi today, so I hope I've not knackered that too.

Posted

Tubes are still legal AFAIK , You need them for those spoked bycycle type wheels fitted to some MG BGTs and the like . The main problem is that modern radials have a ribbed surface on the interior wall which chaffes away at the tube , and as cavette rightly said they do go down instantly

Posted

I don't understand that bit. if a tubeless tyre gets a hole/nail in it, it goes down. If a tube gets a hole in it, it goes down. Why would a tubed tyre go down quicker than a tubed one? It's holding the same pressure, and the tubeless can't surely partially heal itself can it?

Posted

I don't understand that bit. if a tubeless tyre gets a hole/nail in it, it goes down. If a tube gets a hole in it, it goes down. Why would a tubed tyre go down quicker than a tubed one? It's holding the same pressure, and the tubeless can't surely partially heal itself can it?

If you get a nail or the like in a tyre chances are it stays put , this helps keep the air in and it deflates slowly , if same nail goes into a tubed tyre the point punctures the tube but wont seal it in the slightest as its two thin , that make any sence
Posted

Yes, and no. I think what you are trying to say is if the tube gets punctured, the air will escape through the original hole in the tyre. Otherwise getting a nail in a tubeless tyre with a tube in it (with say a dodgy rim that won't seal) should be no different than getting a nail in a tubeless tyre with no tube in it....

Posted

I don't understand that bit. if a tubeless tyre gets a hole/nail in it, it goes down. If a tube gets a hole in it, it goes down. Why would a tubed tyre go down quicker than a tubed one? It's holding the same pressure, and the tubeless can't surely partially heal itself can it?

Because a tube will deflate immediately it becomes punctured. If the nail (or whatever) were to enter a tubless tyre and stay in it (which is what happens most of the time) it will deflate slowly.
Posted

Nail punctures tube and air rushes out the valve hole , tubeless tyres are odviously sealed here on the rim whereas a tube tyre isnt , the valve just pokes out of it like a bycycle , tis a big hole for air to get out rather quickly

Posted

Nail punctures tube and air rushes out the valve hole , tubeless tyres are odviously sealed here on the rim whereas a tubeless tyre isnt , the valve just pokes out of it like a bycycle , tis a big hole for air to get out rather quickly

yes I get you now, that makes the most sense.
Posted

If you tube a punctured tubeless tyre without repairing it, the plies will puncture the tube.

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