What Causes Sudden Tire Pressure Drop?

1 Answers
LaJulian
07/29/25 6:46pm
The gradual decrease in tire pressure may be caused by a leaking valve stem, or it could be due to wheel rim deformation, which prevents a tight seal between the rim and the tire, leading to slow air leakage during use. Hazards of Overinflated Tires: Reduced tire friction and adhesion, affecting braking performance; Causes steering wheel vibration and drifting, reducing driving comfort; Accelerates wear on the central tread pattern, shortening tire lifespan; Increases vehicle vibration, indirectly affecting the lifespan of other components; Overstretches tire cords, reducing elasticity and increasing driving load; Decreases puncture resistance. Sharp objects like nails or glass can easily penetrate, causing internal cracks or blowouts. Hazards of Underinflated Tires: Increases friction with the road surface, raising fuel consumption; Makes steering heavier and prone to drifting, compromising safety; Increases movement of tire parts, leading to abnormal heat from excessive rolling; Weakens cord and rubber function, causing delamination, cord breakage, or rim friction damage; Multiplies ground friction, rapidly heating and softening tires, drastically reducing strength. High-speed driving may cause blowouts; Increases tire body deformation, causing sidewall cracks and excessive heat from flexing, accelerating rubber aging, cord fatigue, and tread shoulder wear.
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