1. It's hard to put into gear and feel frustrated;

起步或行驶过程中，挂、摘、换挡发涩、费力，好像被什么卡了一下，有耸车、震动、顿挫感，有时凉车易挂挡，热车难挂挡，带有很多不舒适性;原因是变速箱内相关齿轮等部件得不到足够的润滑，且形不成持久的润滑膜，使得部件无法流畅工作。有些变速箱如AMT本身就有类似现象，微微的顿挫，这个是产品本身问题，不严重的话是正常现象。其他的变速箱可以先通过换油尝试解决该症状。

In the process of starting or driving, it is hard to shift, change or change gears. It seems to be stuck by something. It has a feeling of shrugging, vibration and frustration. Sometimes it is easy to shift when the car is cold, but it is difficult to shift when the car is hot. The reason is that the relevant gears in the gearbox are not lubricated enough and can not form a lasting lubricating film, which makes the parts unable to work smoothly. Some gearboxes, such as AMT, have similar phenomena, with slight bumps. This is a product problem. If it is not serious, it is a normal phenomenon. Other transmissions can try to solve the problem by changing the oil.

2、自动挡闯挡、冲击感；

2. Automatic block, impact feeling;

起步没动力，低速或中速行驶时车子有明显耸车和顿挫感，同时仪表盘上的转速表针上下浮动;中高速行驶过程中急踩油门踏板的情况下，车子打滑，转速表针急速上升和有明显的冲击感;由P档挂入R档和D档，车子有明显的冲击感、闯档。

There is no power at the start. When driving at low or medium speed, the car has obvious feeling of jerking and stumbling. At the same time, the tachometer needle on the instrument panel floats up and down. When the accelerator pedal is pressed sharply in the middle and high speed driving, the car skids, and the speedometer needle rises rapidly and has obvious impact feeling. When the car is shifted from P gear to R and D gear, the car has obvious impact and breaking gear.

原因可能是变速箱内出现杂质，在阀体形成堵塞，导致阀体上下运动不畅，无法顺序实现对油压的调节，导致闯挡、换挡冲击故障。

The reason may be that impurities in the gearbox form a blockage in the valve body, resulting in poor movement of the valve body up and down, unable to adjust the oil pressure in sequence, resulting in gear breaking and shifting impact fault.

3、变速箱异响、噪音大；

3. Abnormal noise and noise of gearbox;

车子在怠速时或行驶以及高负荷行驶过程中，听到变速器有异响，甚至很大的噪音，在挂换挡时有无节奏、沉闷的响声。造成上述现象的主要原因是变速箱内脏污，轴承、齿轮等部件出现磨损或严重磨损，或齿轮侧面有损坏。

During idling, driving and high load driving, abnormal noise or even loud noise is heard from the transmission. There are rhythmic and dull noises when shifting gears. The main reasons for the above phenomenon are dirty gearbox, wear or severe wear of bearings, gears and other parts, or damage to the side of gears.

4、变速箱温度过高；

4. Transmission temperature is too high;

行驶过程中电脑显示报警：变速箱温度过高;或行驶一段后自己感觉变速箱过热，甚至烫手。这应该是变速箱内部经常超负荷运转，无法有效控温造成的。

During driving, the computer displays an alarm: the temperature of the gearbox is too high; or after driving for a while, you feel that the gearbox is overheated or even hot. This should be caused by the internal overload of the gearbox, which can not effectively control the temperature.

5、车子发生打滑或冲击；

5. Car skidding or impact;

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 doesn't go with D or R gear, or the car reacts slowly after impact, or the engine speed is high but the speed is slow, it means that there is something wrong with the mechanical transmission part of the gearbox.

6、变速箱体内产生异味；

6. Peculiar smell in gearbox body;

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 is operated by hydraulic oil. When the oil temperature is too high, some combustion will be generated, and these peculiar smell will be transmitted out, which indicates that some executive parts in the gearbox do not work normally.

7、引擎空转；

7. Engine idling;

引擎空转一般发生在两种情况：

Engine idling generally occurs in two situations:

(1)、在车辆在平稳种突然出现引擎空转的现象，在车速慢下来有恢复正常，这种情况一般说明变速箱在短的时间内突然从高档位降为低档位，问题有可能处在控制系统或者散热系统上，变速箱本身没有问题。

(1) When the vehicle is in a stable state, the engine idles suddenly, and it returns to normal when the speed is slow. This generally indicates that the gearbox suddenly drops from high gear to low gear in a short period of time. The problem may lie in the control system or cooling system, and the gearbox itself has no problem.

(2)、在加速的过程中或者在换档的过程中出现短暂的打滑空转现象，直观的感觉是后者没有前者那么厉害，实际上确实恰恰相反，后者的问题多半处在变速箱内的离合器等相关环节上，处理起来出要变速箱彻底解体检修，时间成本消耗都要比前者多出许多。

(2) In the process of acceleration or in the process of gear shifting, there is a short-term phenomenon of slipping and idling. The intuitive feeling is that the latter is not as severe as the former. In fact, it is on the contrary that the problems of the latter are mostly in the clutch and other related links of the gearbox. It is necessary to thoroughly overhaul the gearbox, and the time cost consumption is much more than that of the former.

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