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Why doesn't the tire leak when a nail is stuck in it?

1 Answers

LaAbel

07/25/25 8:47am

The inner surface of the tire has a rubber sealing layer. When a nail punctures the tire, this sealing layer can wrap around the nail, preventing air leakage and a rapid drop in tire pressure. Below are some tips for tire maintenance and inspection: 1. Tire Pressure: If possible, keep a tire pressure gauge handy—it doesn't need to be high-end. Regularly measure your car's tire pressure. For normal city driving, maintaining the recommended tire pressure specified in the manual is sufficient; there's no need to artificially increase or decrease it. Both mechanical pointer-type and electronic gauges are suitable. 2. Spare Tire: The spare tire is a component many people overlook in maintenance, as some may never use it before the car is scrapped. Periodically check the spare tire's pressure and inspect its surface for noticeable cracks. If it's an under-mounted spare tire, a simple cleaning is also advisable.

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