Quote:
Originally Posted by MR.M
Thanks . I'm thinking the same . had a shop here wanting to put in a plug patch from the inside but i declined as i think just a patch is the best . put the patched one on the spare and get a new one .
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Actually, the combination patch/plug is considered the ideal method by tire mfrs. The patch portion seals the inner liner to prevent air leakage and the plug portion seals the puncture "path" through the body/belt/tread area to prevent water and "grit" from entering the carcass and causing eventual failure.
A "Patch/Plug" is a totally different animal than just a plug which is usually just a piece of "rope" coated with some gummy substance. Many tire shops use them because they don't require dismounting the tire. Quick and cheap.
The Patch/Plug requires that the tire be dismounted and installed from the inside. This allows inspection of the tires inside for possible damage.
If one does have to repair a tire using a plug, it would be a wise move to take the tire to a tire shop and at the very minimum have them cut the plug flush on the inside of the tire and install a regular patch over the plug.
Unless the rules have changed since I retired from the industry any puncture in the tread area can be repaired if it is less than 1/4" in diameter (larger for some truck tires).
FWIW, I haven't had many flat tires in my years of driving but when I have I've either repaired them myself (I had at one time 520 tire stores at my disposal
) or had the shop repair them using the Patch/Plug method and NEVER had a single one fail before I wore the tires out and replaced.
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