自動變速器沖擊故障是在起步或行駛中入擋或換擋的瞬間，車子有較強的震動沖擊感。這種沖擊的方式分為以下三種，
濟南自動變速箱維修人員為您解析。
The impact fault of automatic transmission is that the car has a strong sense of vibration and impact at the moment of starting or driving and shifting. This kind of impact can be divided into the following three ways. Jinan automatic transmission maintenance personnel will analyze it for you.
入擋沖擊
Shift impact
故障解析：在汽車啟動的狀態下掛入D擋位或R擋車子會往前沖一下，并帶有咚一下的聲音，這種故障首先要判斷有沒有故障碼存在，如存在故障碼，對應相應的故障碼來判斷故障。如果沒有故障碼，那就可能是變速器的油壓調節出現問題，即閥體問題。
Fault analysis: When the car is in D gear or R gear when it is started, the car will rush forward with a thump sound. This kind of fault should first be judged whether there is a fault code. If there is a fault code, the corresponding fault code should be used to judge the fault. If there is no fault code, it may be a problem with the oil pressure regulation of the transmission, that is, the valve body.
故障解決：如有故障碼，根據相應的故障碼換掉對應的配件；如是閥體問題，根據閥體受損程度修復或更換閥體。
Troubleshooting: If there is a fault code, replace the corresponding accessories according to the corresponding fault code; In case of valve body problem, repair or replace the valve body according to the damage degree of the valve body.
升擋沖擊
Upshift impact
故障解析：車輛在低速往高速慢慢提升速度時，會隨著車速的提高和電腦的信號，以及發動機各方面的匹配值達到相應的數值時，才會實行換擋。但在某一擋位實行升擋的同時車子會像被什么東西托一下發出咚一聲，這就是升擋沖擊。升擋沖擊的原因有很多，比如節氣門信號不好、電腦板損壞、離合器磨損、閥體調壓閥故障等。基本維修過程應該是先判斷故障碼，沒有故障碼基本就是離合器和調壓閥的問題。
Fault analysis: When the vehicle slowly increases speed from low speed to high speed, gear shifting will only be implemented when the matching value of the vehicle speed, computer signal and engine in all aspects reaches the corresponding value. However, when shifting up at a gear, the car will make a thump like being held by something, which is called upshift impact. There are many reasons for upshift impact, such as poor throttle signal, damaged computer board, worn clutch, valve body pressure regulating valve failure, etc. The basic maintenance process should be to determine the fault code first. If there is no fault code, it is basically a problem with the clutch and pressure regulating valve.
故障解決：如有故障碼，根據相應故障碼維修，無故障碼，檢查離合器、調壓閥，修復或更換相應配件。
Troubleshooting: If there is a fault code, repair according to the corresponding fault code. If there is no fault code, check the clutch and pressure regulating valve, repair or replace the corresponding accessories.
降擋沖擊
Downshift impact
故障解析：降擋沖擊就是指車子從高速降到低速時，擋位也會隨著車速下降，在降擋過程中車輛會突然間頓一下，感覺像是被東西拖了一下。降擋沖擊通常是沒有故障碼的，但可以直接判斷就是變速器的問題，由于離合器工作不好和油壓調節問題，才會造成降擋沖擊故障。
Fault analysis: downshift impact means that when the car is downshifting from high speed to low speed, the gear will also decrease with the speed. During downshifting, the car will suddenly stop and feel like being dragged by something. There is usually no fault code for downshift impact, but it can be directly determined that it is a transmission problem. The downshift impact fault is caused by poor clutch operation and oil pressure regulation.
That's all for the impact fault of automatic transmission. I hope I can help you. Of course, you should remember to carry out regular maintenance to increase the service life of the car. Follow us http://www.5918bqq.cn , learn more!
