1、 Some of the faults of Audi CVT automatic transmission come from the input shaft clutch. The maintenance faults of CVT automatic transmission are the reasons for the poor combination of clutch friction plates. The poor combination of friction pairs is due to the wear of the friction plate itself and the pressure of the hydraulic system. The hydraulic pressure comes from the oil pump, is distributed to the clutch through the valve body adjustment, and is controlled by the electronic control unit.

不规则形状是阀体，齿轮是油泵。油泵一般不易损坏，阀体容易损坏。自动变速器油流经阀体，阀体中的阀芯来回移动，控制油路，实现对压力的控制。

The irregular shape is the valve body and the gear is the oil pump. Generally, the oil pump is not easy to be damaged, and the valve body is easy to be damaged. The automatic transmission oil flows through the valve body, and the valve core in the valve body moves back and forth to control the oil circuit and realize the control of pressure.

随着使用时间的增加和自动变速器油的老化，会使阀板和阀芯磨损，压力不平衡，导致输入轴离合器失效。

With the increase of service time and the aging of automatic transmission oil, the valve plate and valve core will be worn and the pressure will be unbalanced, resulting in the failure of input shaft clutch.

二、变速箱异响

2、 Abnormal noise of transmission

异常噪音来自振动。虽然奥迪CVT变速箱的运动部件很多，但从维修经验来看，差速器轴承发生故障的可能性较大。这是主减速器和差速器总成，上面安装了两个圆锥滚子轴承。

Abnormal noise comes from vibration. Audi has a lot of experience in the maintenance of the differential, but the possibility of CVT bearing failure is high. This is the main reducer and differential assembly, on which two tapered roller bearings are installed.

圆锥滚子轴承磨损时，会引起总成转动中的偏移和摆动，从而产生振动，产生异响。

When the tapered roller bearing is worn, it will cause the deviation and swing in the rotation of the assembly, resulting in vibration and abnormal sound.

三、车辆打滑，加速碰撞

3、 Vehicle skidding, accelerating collision

奥迪CVT变速箱的滑动部分主要是传动部分，即变速箱中的压力缸与链条之间缺少压紧力。

The sliding part of Audi CVT transmission is mainly the transmission part, that is, there is a lack of pressing force between the pressure cylinder and the chain in the transmission.

指示链条和链轮之间的相对位置。需要注意的是，链条与压力缸的接触位置是面积较小的一侧，而不是面积较大的正面。

Indicates the relative position between the chain and sprocket. It should be noted that the contact position between the chain and the pressure cylinder is the smaller side, not the larger front.

当车辆打滑时，CVT自动变速箱维修时拆卸变速箱，可以看到链条和压力缸表面有划痕。具体原因有两个：一是链轮链接触面磨损；二是液压系统工作不畅，链条与链轮之间的压紧力由液压系统控制。

When the vehicle skids and the CVT automatic transmission is disassembled during maintenance, scratches can be seen on the surface of the chain and pressure cylinder. There are two specific reasons: first, the contact surface of sprocket link is worn; Second, the hydraulic system is not working smoothly, and the pressing force between the chain and sprocket is controlled by the hydraulic system.

液压系统控制压力缸和两条带之间的压力，液压系统的工作压力由电子控制单元控制。

The hydraulic system controls the pressure between the pressure cylinder and the two belts, and the working pressure of the hydraulic system is controlled by the electronic control unit.

如果有滑倒。

If you slip.

1、检查压力缸表面是否磨损。如果有磨损，修理表面。如果不是，请换。

1. Check the pressure cylinder surface for wear. If there is wear, repair the surface. If not, please change it.

2、需要清理液压控制系统、电脑板故障的情况下，无论这两种异常不能解决故障。

2. When it is necessary to clean up the faults of hydraulic control system and computer board, these two abnormalities can not solve the fault.

四、仪表板红屏

4、 Instrument panel red screen

当奥迪使用CVT变速器时，当仪表板上出现红色屏幕时，可以确认是变速器电脑板的故障。

When Audi uses CVT transmission, when the red screen appears on the instrument panel, it can be confirmed that it is the fault of the transmission computer panel.

综上所述，奥迪CVT变速器存在四种故障。

To sum up, there are four faults in Audi CVT transmission.

1、车辆行驶时，故障部位为输入轴离合器；

1. When the vehicle is running, the fault part is the input shaft clutch;

2、变速箱异响，故障部位为差速器轴承。

2. The gearbox makes abnormal noise, and the fault part is the differential bearing.

3、车辆打滑，故障部位为链条打滑；

3. The vehicle slips, and the fault part is chain slip;

4、仪表板红屏，故障部位为电脑板故障。

4. The instrument panel is red, and the fault part is the computer panel fault.

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