变速箱是汽车重要的传动装置，变速箱能否正常工作，变速箱油起着决定性因素。变速箱油具有润滑冷却作用，但属于消耗品，平时应注意变速箱油的油量，如果变速箱缺油会怎样？
Gearbox is an important transmission device of automobile. Whether the gearbox can work normally or not, gearbox oil plays a decisive factor. Transmission oil has the function of lubrication and cooling, but it is a consumable. Pay attention to the oil quantity of transmission oil at ordinary times. What happens if the transmission is short of oil?
变速箱缺油什么症状
What are the symptoms of transmission oil shortage
1、变速箱缺油，润滑效果会降低，变速箱容易出现异响，挂档不顺畅，零件磨损加快，易受损；
1. If the gearbox is short of oil, the lubrication effect will be reduced, the gearbox is prone to abnormal noise, the gear shift is not smooth, the wear of parts is accelerated, and it is easy to be damaged;
2、变速箱缺油，冷却效果会降低，可能会导致变速箱内部温度升高，严重时会烧坏变速箱内部零件，导致变速箱报废。
2. If the transmission is short of oil, the cooling effect will be reduced, which may lead to the increase of the internal temperature of the transmission. In serious cases, it will burn out the internal parts of the transmission, resulting in the scrapping of the transmission.
3、变速箱缺油，传动效率会降低，变速器换挡缓慢，导致汽车提速慢，起步无力，油耗增加。
3. The transmission efficiency will be reduced due to the lack of oil in the transmission, and the transmission shifts slowly, resulting in slow acceleration, weak starting and increased fuel consumption.
变速箱油对变速箱的传动效率有非常大的影响，如果变速箱的传动效率降低了，会对汽车的油耗产生影响。如果变速箱油油量过低，会导致传动效率降低，从而增加油耗。油量过高，齿轮旋转受到的阻力会变大，也会影响变速箱的传动效率，也会影响油耗。也就是说变速箱油多少都会对油耗造成影响，变速箱油量多少正常呢？该如何查看？
Transmission oil has a great impact on the transmission efficiency of the transmission. If the transmission efficiency of the transmission is reduced, it will affect the fuel consumption of the vehicle. If the transmission oil is too low, it will reduce the transmission efficiency and increase the fuel consumption. If the oil quantity is too high, the resistance to gear rotation will become larger, which will also affect the transmission efficiency of the gearbox and fuel consumption. In other words, the amount of transmission oil will affect the fuel consumption. How much transmission oil is normal? How do I view it?
可以从变速箱油尺中的变速箱油痕迹判断油量，如果是冷车状态下的变速箱，油面高度应在油尺刻线的下限附近；如果是热车状态下的变速箱，油面高度应在油尺刻线的上限附近。发现变速箱油油量过少，应及时补充。
The oil quantity can be judged from the transmission oil trace in the transmission oil dipstick. If the transmission is in the cold state, the oil level height should be near the lower limit of the marking line of the oil dipstick; If the transmission is in the hot state, the oil level height should be near the upper limit of the marking line of the dipstick. If the transmission oil is found to be too small, it should be replenished in time.
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