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What does it mean when the vehicle alerts about left rear tire pressure loss?

2 Answers

VanOlive

07/28/25 8:19pm

Left rear tire pressure loss refers to the air pressure in the left rear tire being too low. According to the international GBT2978-2008 standard, the recommended tire pressures are as follows: Standard tires: 2.4-2.5 bar; Reinforced tires: 2.8-2.9 bar; Maximum pressure: should not exceed 3.5 bar. Hazards of low tire pressure: Increased friction coefficient with the road surface, leading to higher fuel consumption; Causes heavy steering and potential deviation, which are factors detrimental to driving safety; Increases movement in various parts of the tire, leading to abnormal heating due to excessive rolling; Reduces the functionality of the cord and rubber, causing delamination or cord breakage, and excessive friction with the rim leading to damage and abnormal wear at the bead area; Multiplies the friction between the tire and the ground, rapidly increasing tire temperature, softening the tire, and drastically reducing its strength. High-speed driving may lead to tire blowouts; Increases tire body deformation, making the tire side prone to cracking, and generates flexing movements, leading to excessive heat, rubber aging, fatigue in the cord layer, cord breakage, and also increases the tire's contact area with the ground, accelerating shoulder wear.

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RichardDella

08/12/25 1:07am

I've been driving for over 20 years, and when I see the low tire pressure warning for the left rear tire, I immediately think of potential safety hazards. Low pressure can cause tire deformation, unstable handling, or even a blowout on the highway – it's extremely dangerous. This is no trivial matter; I remember a friend's car was once in an accident because of this, resulting in minor injuries. So I suggest pulling over immediately and not continuing to drive. Quickly check the tire surface for nails or cracks. If the pressure loss is minor, use a portable air pump to add some air as a temporary solution. But if it's leaking rapidly, call for a tow truck or change to the spare tire right away. Afterward, be sure to visit a repair shop for a thorough inspection – it might be a slow leak or an issue with the tire pressure monitoring system. Checking the tire pressure monthly can prevent problems before they occur. Never ignore it for the sake of convenience – driving safety comes first.

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