Can a Nail Puncture in the Tire Sidewall Be Repaired?

[VonSophie]

Tire sidewall punctures cannot be repaired. The sidewall is the weakest part of a tire, consisting of two layers of rubber and two layers of fabric cords. To enhance shock absorption, passenger car tire sidewalls do not incorporate steel belts, and the sidewall undergoes continuous deformation and recovery during rotation. Therefore, if a nail punctures the tire sidewall, the tire should be replaced. Situations requiring tire replacement include: 1. A puncture hole in the tread with a diameter exceeding 6 millimeters; 2. Deformation of the bead or tread, rubber corrosion, or tire damage due to underinflation; 3. The tire has been patched more than four times. Besides nails, stones lodged in the tread grooves can also damage tires. Some sharp stones can quickly cause tire damage through repeated rolling.