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Why Does a Tire Lose Air Without a Nail Puncture?

1 Answers

MacLouis

07/29/25 2:38pm

Tire air loss without a nail puncture can be caused by: sidewall wear, inner tire edge damage, tire aging, wheel rim deformation, or wheel rim cracks. Sidewall Wear: Improper driving habits can lead to sidewall wear. During daily driving, some drivers may scrape their tires against curbs once or twice without immediate issues, but repeated scraping can cause sidewall wear. Over time, this may result in air leakage. Inner Tire Edge Damage: Damage to the inner tire edge is often caused by incorrect tire mounting or dismounting on the wheel rim. Additionally, tires that have been repaired multiple times may develop cracks at the repair sites, leading to air leakage. Tire Aging: Prolonged use can cause tires to age and develop cracks, resulting in air leakage. This issue is often hard to detect. To identify leaks, inflate the tire to or slightly above the normal pressure and check for escaping air. Wheel Rim Deformation: Normally, the outer edge of the tire fits tightly against the wheel rim, preventing air leakage. However, if the rim is deformed due to impact, the seal between the tire and rim may weaken, causing air loss. Wheel Rim Cracks: Cracks in the wheel rim can allow air to escape from the tubeless tire. Even small leaks can lead to significant problems and should be addressed promptly.

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