东北热车多久

2025-03-15 07:33:43
推荐回答(3个)
回答1:

一般冬季室外停车热车时间2---3分钟为宜,让发动机内的润滑油通过预热流淌达到每个零件表面形成保护油膜。

热车时间太短,机油在停车后全部流淌回发动机油底壳内零件表面就只有一层薄薄的保护油膜,而且机油在寒冷的冬季经过冷冻流淌性、润滑性都很差很难对零件在短时间内形成保护。

热车时间太长,会对车辆的三元催化有损害,因为凉车预热车辆怠速很高汽油在汽缸内很难燃烧干净,一部分没有燃烧干净的汽油会随着废气排除汽缸,增加尾气污染也会堵塞三元催化器,对车辆造成不必要的损伤。

所以司机要掌握好冬季热车的时间、规律等有效的爱护车辆。

回答2:

正常30秒就可以走了,如果冻一宿也别热超过1分钟,因为原地热车会产生积碳慢慢走起来热,别开快,水温表起来之后可以稍微快点开

回答3:

基本上都是二十分钟,半小时左右,

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