气门冷车不响热车响,冷车发动气门响是怎么回事

2025-03-16 02:27:12
推荐回答(3个)
回答1:

你好,如果是热车气门响的话,这种情况说明气门是存在间隙的,也就是气门响。检查一下发动机机油是否短缺,如果发动机机油正常的话。那,就需要更换气门了,希望我的回答可以帮到您这种情况,建议您最好是到维修店或4s具体检查一下。确定问题之后进行维修。

回答2:

如果是热车气门响的话,这种情况说明气门是存在间隙的,也就是气门响。检查一下发动机机油是否短缺,如果发动机机油正常的话,那就需要更换气门了。气门在发动机工作时,是由凸轮轴驱动做往复的直线运动的。由于气门热胀冷缩的金属特性,它的长度受温度的影响很大,为了保证它能够可靠的封闭气缸,必须在设计制造和装配时留有一定的间隙。一般进气门的预留间隙是0.20-0.25毫米左右,排气门的预留间隙是0.25-0.40毫米左右。排气门预留间隙较大的原因是排气门的工作温度较高,长度受热膨胀较大。

回答3:

冷车响气门间隙过大

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