Cars & Vehicles Auto Parts & Maintenance & Repairs

Is it Safe to Plug a Flat Tire?

    Proper Plugs

    • The reliability of the plug in your tire depends greatly on the method your mechanic used to plug it. To plug a tire correctly, the mechanic must remove the tire and plug it from the inside using a strong adhesive. The plug has a mushroom-type head that allows it to adhere to the tire from the inside.

    Poorly Installed Plugs

    • However, mechanic shops will sometimes plug a tire from the outside by filling the hole with glue and inserting a plug without a head. Although they are often helpful for getting you home after a flat tire, they do not meet standards for tire plugs.

    Guidelines for Tire Plugging

    • Tires can have up to three properly installed plugs before they need to be replaced, provided that none of the plugs is on the side of the tire.

    Temporary Solution

    • Improperly plugged tires should not be used as a permanent solution, because they can cause more serious problems later.


    • Many people do, in fact, drive for years on improperly plugged tires with no problem.

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