Originally posted by Eli:
i ask cause i got one repaired the other day and it went flat again instantly. i looked at it and the "repair" was just a big brown booger over the part that the nail went through. is that all there is to tire repair? or is this shop doing a halfass job?


Are you talking about the "big brown booger" being on the outside or the inside of the tire?

There are two accepted ways to fix a nail puncture, that I'm aware of.

1) Plug - This is done without un-mounting the tire. A piece of material (not sure what it is) is saturated with rubber glue and pushed into the hole using a toll similar to a leather awl. The end that is left sticking out is cut off and that is it. It's not a good way to do it but it is done quite often.

2) Patch - The tire is removed from the rim and the area around the puncture on the inside of the tire is scored with a) sandpaper or b) a grinding tool. This area then is coated with rubber glue as is a piece of rubber patch. They are both allowed to set for a short period while they get tacky and then the patch is place over the hole on the inside of the tire and a roller is used to firmly press it against the tire carcuss. This is, by far, the better and safer method.

Hope that helps.

Regards, Alan

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