自動變速箱不同于一般的齒輪組機構的手動變速，其結構中包含多組摩擦片和制動片，同時使用特殊的液壓軸，所以對于一般的車主來說，自動變速箱的拆裝和自動變速箱維修都需要專業的知識和技術，但是通過簡單的方法快速判斷其工況的優劣，以便及時處理。

Automatic transmission is different from manual transmission with general gear mechanism. Its structure includes multiple sets of friction plates and brake pads, and uses special hydraulic shafts. Therefore, for ordinary car owners, the disassembly and maintenance of automatic transmission require professional knowledge and technology. However, simple methods are used to quickly judge the quality of its working conditions for timely handling.

一、自動換擋時間過長或者過短。一般自動變速箱都是有特定的換擋轉速和車速，如果發現換擋時間突然過長或者過短，這就意味著變速箱的傳動比不成比例了，同時會感覺發動機的轉速過高，情況更甚者是變速箱不進行換擋，這都說明變速箱出了問題。

1、 The automatic shifting time is too long or too short. Generally, automatic transmissions have specific shifting speeds and vehicle speeds. If the shifting time is suddenly too long or too short, it means that the transmission ratio of the gearbox is disproportionate, and the engine speed may feel too high. In more severe cases, the gearbox does not shift, which indicates that there is a problem with the gearbox.

二、車子發生打滑或沖擊。如果掛上D檔或R檔車子不走，或者車子反應很遲緩后沖擊，或者發動機轉速很高但車速卻很慢，就意味著變速箱內部的機械傳動部分出了問題。

2、 The car slips or impacts. If the car does not move when shifting to D or R gear, or if the car reacts slowly and then shocks, or if the engine speed is high but the vehicle speed is slow, it means that there is a problem with the mechanical transmission part inside the gearbox.

三、箱體內產生異味。變速箱體是靠液壓油來工作的，當油溫過高時，會產生一些燃燒，這些異味會傳出來，這就說明變速箱體內的某些執行部件工作不正常。如果不用拆修，就能解決自動變速箱頓挫、沖擊、打滑、異響、高溫等問題，對于車主來說，無疑是好的，既繞開了汽修的陷阱，又能節省大修的成本，更不用損傷變速箱的性能。根據自動變速箱維修協會數據顯示，90%以上的自動變速箱故障是由自動變速箱油(ATF)過熱導致的，由此造成自動變速箱內形成頑固性的臟污與雜質，堵塞閥體，無法控制油壓，同時，構成變速箱部件的磨損，頓挫、沖擊、打滑、噪音等隨之而來。

3、 There is an odor inside the box. The gearbox relies on hydraulic oil for operation. When the oil temperature is too high, some combustion will occur, and these odors will be transmitted, indicating that some of the actuating components inside the gearbox are not working properly. If there is no need for disassembly and repair, it can solve problems such as jerking, impact, slipping, abnormal noise, and high temperature in the automatic transmission. For car owners, it is undoubtedly good. It not only avoids the trap of auto repair, but also saves the cost of major repairs, let alone damaging the performance of the transmission. According to data from the Automatic Transmission Maintenance Association, over 90% of automatic transmission failures are caused by overheating of the Automatic Transmission Fluid (ATF), which leads to stubborn dirt and impurities in the automatic transmission, blockages of the valve body, inability to control oil pressure, and wear of transmission components, resulting in jerking, impact, slipping, noise, and more.

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