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Run Flat tires

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  • 15-01-2007 8:11am
    #1
    TheBazman
    Registered Users Posts: 6,462 ✭✭✭


    Hi all

    I appear to have a slow puncture on a Run flat tire - do you know if these can be repaired or do you have to replace every time?

    Cheers


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    #2
    MarkR
    Moderators, Regional Midwest Moderators Posts: 11,056 Mod ✭✭✭✭MarkR


    I don't know if this is true, but have a look.
    One area of particular interest is the question of repairs to Run-flat Tyres. At the moment the majority of tyre manufacturers DO NOT recommend a Run-flat tyre be repaired following operation at reduced pressure. When a standard tyre is punctured and runs at reduced or zero pressure it will suffer damage to the sidewall that will render it unfit for repair and re-use. This damage is easily spotted once the tyre is removed and is usually seen as a creasing to the inner liner of the tyre in the sidewall area. This creasing indicates that damage has occured to the internal construction of the tyre and further use could result in casing failure.
    Due to its heavily reinforced sidewall construction a Run-flat tyre will not exhibit these signs and there may be internal damage that cannot be seen. A Run-flat tyre will undergo a great deal of stress while operating in a zero pressure situation and will therefore be subject to greater stresses than a standard tyre. The actual tyre does not carry the weight of the vehicle - it is the pneumatic effect of the air inside the tyre that carries the weight.

    From http://www.etyres.co.uk/run-flat-tyres


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    #3
    TheBazman
    Registered Users Posts: 6,462 ✭✭✭TheBazman


    Cheers Mark

    I asked the dealer to have a look as the car was in for a service - again he said that they do not recommend you fix it , however there are places that will fix it. I'm sure it would be fine but its better be safe than sorry so I am getting a new tyre. (my wallet is 280 euro + VAT lighter!!) I hope I dont get too many punctures


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