天气预报 > 汽车 > 变速箱油冷车看在油尺上限正常吗
变速箱油冷车看在油尺上限正常吗
更新时间: 2021-05-28 20:20:13  

1、如果自动变速箱处于冷态(即冷车刚刚起动,液压油的温度较低,为室温或低于25℃时),液压油油面高度应在油尺刻线的下限附近。

2、如果自动变速箱处于热态(如低速行驶5min以上,液压油温度已达70℃~80℃),油面高度应在油尺刻线的上限附近。这是因为低温时液压油的粘度大,运转时有较多的液压油附着在行星齿轮等零件上,所以油面高度较低。

关键词: 变速箱 上限 正常

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