What is the appropriate tire pressure in summer?

1 Answers
Stanley
07/24/25 7:47pm
In summer, the normal tire pressure for cars ranges between 2.3-2.5. If the car is fully loaded with 5 passengers, it's more suitable to adjust the tire pressure to around 2.5; for general use with two passengers, a tire pressure of 2.3 is normal. Relevant details are as follows: 1. Tire maintenance: Proper tire pressure is the most important aspect of tire maintenance. The standard tire pressure depends on the vehicle it's installed on, which is the pressure indicated on the vehicle's door or fuel tank cap. This is the standard value determined by the vehicle manufacturer during design and manufacturing to achieve optimal performance, generally allowing a difference within 10%. If it's below the standard value by more than 10%, it's considered underinflated; if it's below the standard value by 20%, you should visit a professional shop as soon as possible to check for any damage or air leakage. 2. Consequences of abnormal tire pressure: Overinflated tires reduce the contact area with the ground, increasing the pressure and wear per unit area, which can easily lead to loss of braking control, bursting when encountering ground protrusions or depressions, damaging the vehicle's suspension system, and causing discomfort during rides. Underinflated tires increase the contact area with the ground, causing abnormal increases in tire temperature during driving. Additionally, severe deformation of the tire side accelerates the aging of internal steel wires and fabric layers, creating hidden dangers for tire bursts, increasing fuel consumption, and reducing tire lifespan.
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