Originally Posted by mjydrafter
As a goodyear certified tire jocky and retreader, the super preferred method is to plug (seals the cords from water & corrosion) and a patch on the inside (seals the liner).
a guy i know who owns a tire shop told me not to do both. (or, if i want both, to buy those plugs that have a patch attached to them you insert from the inside).
he said if you use both a plug and a patch, you can get air trapped between the plug and the patch...when the tire gets hot, the air expands, and causes either the patch or the plug (or both) to leak.
is that really an issue? if so, is there anything special you do to prevent it?