What Causes a New Tire to Slowly Lose Air?

1 Answers
Russell
07/30/25 4:21am
The reasons for a new tire slowly losing air are: 1. Foreign objects puncturing the tire: Punctures from foreign objects are the most common type of tire damage. Items that easily puncture tires include nails, screws, wires, glass shards, sharp stones, and tile fragments; 2. Damage to the tire sidewall and inner edge: Besides the tire tread being vulnerable to hard objects, the sidewalls and inner edges are also weak points; 3. Damaged tire valve stem: If no abnormalities are found on the tire, the owner can shift their attention to the valve stem. Most household vehicles are equipped with tubeless tires, where the valve stem is mounted on the rim and is mostly made of rubber. Over time, the rubber valve stem, exposed to sunlight, rain, and internal tire pressure, will gradually age, become brittle, and eventually crack, leading to air leakage.
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