Rick's Free Auto Repair Advice

Tire bubbles and tire bulges

What causes a tire bubble or tire bulge?

Impacts cause belt damage and belt damage causes the bulge

Potholes and curb kisses can severely damage the steel belts in your tires. An impact can cause the belt to separate, causing a bulge or it can puncture the inner liner causing a bubble. In either case, the tire is damaged beyond repair.

Tire bulge and tire bubble

Driving on a tire bulge or tire bubble is dangerous

When the steel belt punctures the inner liner, air bleeds between the radial plies and the sidewall, causing a bubble. If you continue to drive in this state, the air will move to other portions of the sidewall, resulting in catastrophic failure.

tire bubbles and tire failure

Posted on by Rick Muscoplat


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