變速箱油是重力換好還是循環機換好？

Is the transmission oil replaced by gravity or by a circulating machine?

　　1、變速箱油用循環機換和重力換都可以。換變速箱油的方法如下：變速箱油的流出：擰松油底殼底部的緊固螺母后，變速箱油會自動從放油孔流出。排除舊油：將變速箱和循環機通過管道接口連接，將新油推動舊油排出。

1. The transmission oil can be changed by either a circulating machine or by gravity. The method for changing transmission oil is as follows: Transmission oil flowing out: After loosening the fastening nut at the bottom of the oil pan, transmission oil will automatically flow out of the oil drain hole. Remove old oil: Connect the gearbox and circulation machine through a pipeline interface, and push the new oil to discharge the old oil.

　　2、一般來說，換循環機的油比較好。首先重力換油，說白了就是手動換油。擰下變速器下方的放油螺釘或拆下變速器油底殼，讓變速器油自然流出。正常情況下，只能釋放70%左右。

2. Generally speaking, changing the oil of the circulation machine is better. Firstly, gravity oil change, in other words, it means manual oil change. Unscrew the oil drain screw under the transmission or remove the transmission oil pan to allow the transmission oil to flow out naturally. Under normal circumstances, only about 70% can be released.

　　3、重力更換變速箱油或者使用循環機更換變速箱油都是可以的。重力更換變速箱油的更換原理與機油相似，擰松油底殼底部的緊固螺母后，變速箱油會自動從放油孔流出。此方式最常見也容易操作，但卻不能放干凈變速箱油。

3. It is possible to change the transmission oil by gravity or by using a circulation machine to change the transmission oil. The principle of replacing transmission oil by gravity is similar to that of oil. After loosening the fastening nut at the bottom of the oil pan, the transmission oil will automatically flow out of the oil drain hole. This method is the most common and easy to operate, but it cannot completely drain the transmission oil.

　　4、如果條件允許的情況下，用循環機換油好。循環機換油更加的徹底，并存在優勢。在實際中，目前很多的4S店鋪缺乏循環機，所以重力換油法是國內更加常用的方法。

4. If conditions permit, use a circulation machine to change the oil. The oil change of the circulating machine is more thorough and has advantages. In practice, many 4S stores currently lack circulation machines, so the gravity oil change method is a more commonly used method in China.

　　5、需要先通過重力將變速箱油排出，然后使用循環機，將殘留的變速箱油使用新舊油循環的方式來替換。這種方法換油比較徹底，基本能換90%的變速箱油，但是需要使用的變速箱油量更大，換油成本比較高。

5. It is necessary to first drain the transmission oil through gravity, and then use a circulation machine to replace the remaining transmission oil by circulating new and old oil. This method of oil change is relatively thorough, and can basically change 90% of the transmission oil. However, it requires a larger amount of transmission oil and the cost of oil change is relatively high.

　　6、變速箱內部沒有辦法達到徹底清理的效果。循環機更換：循環更換的話，優點是可以徹底清洗變速箱內部的相關雜質，變速箱油更換的更加徹底。缺點是循環機更換的話，費用較高一些，一般都是重力更換的兩倍。

6. There is no way to achieve a thorough cleaning effect inside the gearbox. Circulation machine replacement: With circulation replacement, the advantage is that it can thoroughly clean the relevant impurities inside the gearbox, and the gearbox oil can be replaced more thoroughly. The disadvantage is that if the circulation machine is replaced, the cost is higher, usually twice that of gravity replacement.

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