一、自动换挡时间过长或者过短。

1、 The automatic shifting time is too long or too short.

一般自动变速箱都是有特定的换挡转速和车速，如果发现换挡时间突然过长或者过短，这就意味着变速箱的传动比不成比例了，同时会感觉发动机的转速过高，情况更甚者是变速箱不进行换挡，这都说明变速箱出了问题。

Generally, automatic transmissions have specific shifting speeds and vehicle speeds. If the shifting time is suddenly too long or too short, it means that the transmission ratio of the gearbox is disproportionate, and the engine speed may feel too high. In more severe cases, the gearbox does not shift, which indicates that there is a problem with the gearbox.

二、车子发生打滑或冲击。

2、 The car slips or impacts.

如果挂上D档或R档车子不走，或者车子反应很迟缓后冲击，或者发动机转速很高但车速却很慢，就意味着变速箱内部的机械传动部分出了问题。

If the car does not move when shifting to D or R gear, or if the car reacts slowly and then shocks, or if the engine speed is high but the vehicle speed is slow, it means that there is a problem with the mechanical transmission part inside the gearbox.

三、箱体内产生异味。

3、 There is an odor inside the box.

变速箱体是靠液压油来工作的，当油温过高时，会产生一些燃烧，这些异味会传出来，这就说明变速箱体内的某些执行部件工作不正常。

The gearbox relies on hydraulic oil for operation. When the oil temperature is too high, some combustion will occur, and these odors will be transmitted, indicating that some of the actuating components inside the gearbox are not working properly.

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