One: Dongfeng Nissan gearbox 3. 15 party exposed the rust problem of Ford's gearbox, but the gearbox problem of Dongfeng Nissan was more serious, which lasted for more than ten years but still remained unsolved. According to the data of related automobile complaint websites, there were as many as 240 complaints about power system failures of Dongfeng Nissan in 20 19 and 236 complaints about power system failures in 2020, and these data are only part of the data on the Internet. If you count those cases that did not initiate complaints online, the actual failure cases will be immeasurable. Among them, the highest failure rate of Dongfeng Nissan power system is its CVT gearbox, and most vehicles of Dongfeng Nissan are equipped with CVT gearboxes. Gearbox failures mainly include abnormal sound, frustration, failure to accelerate or steel belt slipping. Dongfeng Nissan's CVT gearbox itself has design defects, but after ten years, the manufacturer has not given an effective solution.
Two: gearbox design defects The shifting process of Nissan CVT gearbox is a step structure without gears. The advantage is smooth and fuel-efficient, but the disadvantage is also obvious. Because CVT gearbox transmits power through internal steel belt, the bearing capacity of steel belt is limited, and it will slip if the power is too high, which is not suitable for engines with high torque. With the continuous increase of driving time, the problems of power loss and abnormal sound will also occur due to wear of steel belts. Of course, in addition to some congenital problems of CVT gearbox itself, abnormal noise of gearbox is also related to the wear of bevel gear steel bearing inside gearbox, and the bearing may have quality problems.
Third, manufacturers should face up to the problem. As one of the domestic Japanese joint venture brands, Dongfeng Nissan sells more than 6,543,800 new cars every year. As one of the largest automobile manufacturers in China, the gearbox problem of Dongfeng Nissan has existed for more than ten years but still cannot be solved, which really damages the image of Dongfeng Nissan. If the design of the gearbox itself is defective, it should be improved in time so that the new car will not have the same problem. At the same time, recall vehicles with design defects and replace or upgrade the gearbox for the owner. If a brand wants long-term sustainable development, it should not only pay attention to immediate interests, but also constantly improve and perfect its own products. When there are problems, we should actively help consumers solve them and constantly enhance consumers' trust and support for the brand!