宝马5系需要更换变速箱油吗?

2025-02-12 16:07:10
推荐回答(2个)
回答1:

用久了的变速箱油粘度会变稀、导致润滑性能下降、密封性能下降、阻力升高磨损增加,造成压力不稳定、影响液压系统工作精度。变速箱控制精度下降、换挡精度降低,平顺性、响应速度都会受到影响,变质以后的油液冷却性能和防氧化性能下降,容易产生油温过高等问题,恶性循环,进一步缩短油液和变速箱零部件寿命。其实厂家认为的免维护,和车主认为的免维护,根本不是一回事,厂家说的免维护并非是免保养,指的是机械系统的成熟可靠,正常使用的话设计寿命和整车同步,开到报废也不需要更换其中的部件,也就说区别于手动变速箱需要定期更换离合器摩擦片之类易损件的。变速箱油一般是6万公里换一次就行,时间在4年以后,车经常跑高速可适当延长2-3万公里。去修理厂换油一般比4S便宜一半吧。

回答2:

变速箱里有齿轮组,随着汽车行驶公里数的增加,润滑齿轮的齿轮油就尤为关键了,这个和奔驰什么“0”,宝马多少系都没关,齿轮油肯定是要换的,只是看更换的公里数长短而已,也就是什么时候换的问题。

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