胎压一直变化原理(行车有变化的才是好胎压)

Issuing time:2017-03-01 14:26

问:我胎压充气的时候是2.3bar,车开起来很快变2.4!低车半小时后变2.2。请问是正常的吗?

答:胎压跟轮胎的温度有关,受热胀冷缩原理,车跑一阵子,轮胎接地摩擦,温度上来了,胎压就跟着上来了。一般去充气的时候轮胎的温度还没完全降下来,这样热胎的时候2.3,冷胎2.2就对了。(2.3只是举例数值,每车的标准胎压值均不同,一般在左B柱或油门盖后方有标注)


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