凯迪拉克为什么才行驶四万公里变速箱倒档离合器就严重打滑。
这不是车辆保养不好的问题，也不是车主驾驶不良的问题，经过我们检查维修，这是变速箱质量的问题！
客户反应最近倒档行驶没力，试车发现车热了，挂倒档发动机转速加到了4000转车都倒不动。客户认为四万公里车子不会有问题，想换个变速箱油应该能解决问题。
根据我们的专业性，和客户沟通拆变速箱阀体检查一下，如果是变速箱内部机械故障，即使换油，也解决不了问题，让客户白花钱。经过检查正明我们的诊断思路是对的，
拆卸变速箱检查变速箱倒档离合器损坏，导致车辆倒档无法正常工作，
那这个倒档离合器为什么会坏呢？此处省略许多字。看图大家会更清楚。
经检查我们发现是变速箱阀体里的一个珠子磨损后进入倒档离合器，才把倒档离合器给磕坏了。
治标要治本，
我们分析了阀体里倒档油路里的珠子为什么会磨损，然后我们在通过研究改进，彻底解决故障。延长使用寿命！为客户排除后患。
原创文章，作者：cesifu，如若转载，请注明出处：http://www.cesifu.com/article/59360.html
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