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Old 31st March 2011, 13:07   #1
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Default Side wall puncture fixing

Hi Experts,

I had a flat on my UVA tubeless tyre. Side wall got punctured by sharp stone. Tyrewallah tried fixing it with two puncture inserts. Still air leaks.

Second fellow said he can get fixed at Kalasipalya, Bangalore which can give solution. one sticker heat treated inside the tyre and one rubber fusing on outside. Cost -Rs. 500. If I put tube inside and get it done, still will be paying Rs. 500.

I have given the tyre for first option.

What I should have done and effect?

Please suggest.
Dwarak
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Old 31st March 2011, 13:16   #2
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Default Re: Side wall puncture fixing

Are they really reliable and safe options? Side wall goes though flex with every rotation and is most susceptible section of type for failure.

I wouldn't take that risk.
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Old 31st March 2011, 13:23   #3
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Default Re: Side wall puncture fixing

I had also faced similar problem, the best option is to change the tyre. This I learnt it hard way after getting it fixed for 3 times and after every few days the problem resurfaced.
Inserting the tube is not advicable as your 3 tyres will be tubeless and 1 with tube which might create suspension or handling issues. Also as already it has been inserted with 2 puncture repair i believe the hole must have gone big which can even puncture the tube.
I changed the tyre to get my peace of mind.
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Old 31st March 2011, 13:27   #4
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Default Re: Side wall puncture fixing

I had the same experiance as saurabhkum. Even though the side wall puncture was fixed two times, it is not reliable and starts leaking air after a few days. I sold the Goodyear GT3 tyre and got a new one.
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Old 31st March 2011, 14:05   #5
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Default Re: Side wall puncture fixing

I strongly suggest you change your damaged tire immediately. Please do not continue driving on tires that are damaged at the sidewalls.
The sidewall of a tire flexes beyond imagination, specially during turns & also high speed runs. You are doing nothing but waiting for a disaster to happen. Please give up the idea of trying to fix the tire & get a new one instead.
Drive safe!!
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Old 31st March 2011, 14:24   #6
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Default Re: Side wall puncture fixing

A sidewall puncture repair is not recommended because of the reason cited above.

By the way how much have the tyres run till date? I ask because if you would be changing the tyres in near future you may get it repaired (though not recommended) from a specialist and use it as a spare until that time. Of course by using it as a spare I mean absolutely minimal usage and that too in exceptional situations i.e. until repair of the other puncture.

Last edited by fine69 : 31st March 2011 at 14:29.
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Old 31st March 2011, 14:26   #7
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Default

Thank you all for suggestions. I shall not use the sidewall damaged tyre. Will replace with new ones.

Warm regards,
Dwarak

Quote:
Originally Posted by fine69 View Post
A sidewall puncture repair is not recommended because of the reason cited above.

By the way how much have the tyres run till date? I ask because if you would be changing the tyres in near future you may get it repaired (though not recommended)from a specialist and use it as a spare until that time.
Just run 20k kms. Buttons are as good as new.

Last edited by Technocrat : 1st April 2011 at 04:01.
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Old 31st March 2011, 14:32   #8
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Default Re: Side wall puncture fixing

Put a tube in it and use this as a the spare tyre. You can run it for another 10,000 KM easily.
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Old 31st March 2011, 14:45   #9
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Default Re: Side wall puncture fixing

Am in a similar situation currently, and I did think about getting the tyre sealed + use a tube inside. Have decided against it and will replace my tyre. This damaged tyre has done less than 3k.

Patched tyres are not supposed to be used at high speeds or for too long, as checked with Nikhil. I prefer to have a fully usable tyre as spare, rather than be restricted to lower speeds / reliability issues. for example, if I was forced to drive on the highway with such a patched tyre, I will not be able to regular speeds. Hence I prefer & am going in for a new tyre.

On a related note, I am really considering tube-types for my next set.
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Old 31st March 2011, 14:56   #10
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Default Re: Side wall puncture fixing

Quote:
Originally Posted by Captain Slow View Post
Put a tube in it and use this as a the spare tyre. You can run it for another 10,000 KM easily.
On what basis are you giving him this advise?
Do you even know what speeds he averages at, even if it's in the city. Even in a small place like Pune, there are a few stretches where you can easily touch 80kmph & above, only if it is only for a few seconds. Chances are really high the accidents are prone during these high speed runs & turns. It's a danger to everyone in the car & on the road.
Please stick to neutral advise sir.

Last edited by mb_jg : 31st March 2011 at 14:59.
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Old 31st March 2011, 15:25   #11
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Default Re: Side wall puncture fixing

If you value your own and your family's life, always get a new tyre as a replacement. A damaged sidewall will give way under stress, and can lead to complete failure of your tyre.

Quote:
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Put a tube in it and use this as a the spare tyre. You can run it for another 10,000 KM easily.
I completely disagree. What if I get a puncture on the highway, and have no choice but to switch to the spare? Do you want me to drive on the highway with a damaged tyre?
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Old 31st March 2011, 15:34   #12
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Default Re: Side wall puncture fixing

There is a little bit of space between the tube and the tire.
As the tires keep rotating the friction between the tube and the tire cause the air in between them to heat up.

As the air heats up it expands.

In the case of underinflated tires there is more air and hence as it expands it needs more space causing a blow out.

When you put in a tube into a tubeless tire, remember this tire may not be capable of handling the friction and resultant high temperature.
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Old 31st March 2011, 15:59   #13
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Default If correctly inflated, there should be no movement

Quote:
Originally Posted by bblost View Post
There is a little bit of space between the tube and the tire.
As the tires keep rotating the friction between the tube and the tire cause the air in between them to heat up.
@BB, been thinking of this: and honestly I am not yet convinced that when the tyre/tube is correctly inflated, there can be friction between tyre & tube. The outer surface of the tube is flat enough, and so is the inner surface of the tyre. If the tube is sufficiently inflated, there should not be any movemement of the tube inside the tyre.

Yes, if under-inflated, there will be movement because the lowest part of the tyre & tube (the part in contact with the road) will see flex - and hence the movement.

Would like to see more data on this, if we can find something.
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Old 31st March 2011, 16:51   #14
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Default Re: Side wall puncture fixing

Late last year my Sonata Embera's front (passenger side) tyre was damaged in a similar manner. I was taking a right turn near Tata showroom (Dhingra) when a sharp edged portion of a cemented manhole hit the tyre.

My driver suggested that the tyre (Hankook 215,60,16) can be repaired. I however was of the considered opinion that we should not take a chance with vital components like tyre. I therefore went ahead and bought a new Yokohama which now serves as a spare tyre in the car.

I think that in such cases one should straightaway get the tyre replaced.
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Old 31st March 2011, 17:00   #15
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Default Re: Side wall puncture fixing

Condor, when I first got my M800, it was two years old, and had 22k on odo. In my first year of ownership, I used to have a puncture every month. One of the tyres had a tube with three patches on it. When the tyres wore out I went for tubeless. Rode them for another three years and at least 40k kms. Number of punctures were about two, and once a valve leakage. Currently my Santro runs on tubeless, and in my two years of experience, I have had a puncture just once.

So why would you want to go with tubes?
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