变速箱油是重力换好还是循环机换好？

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

　　1、变速箱油用循环机换和重力换都可以。换变速箱油的方法如下：变速箱油的流出：拧松油底壳底部的紧固螺母后，变速箱油会自动从放油孔流出。排除旧油：将变速箱和循环机通过管道接口连接，将新油推动旧油排出。

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、一般来说，换循环机的油比较好。首先重力换油，说白了就是手动换油。拧下变速器下方的放油螺钉或拆下变速器油底壳，让变速器油自然流出。正常情况下，只能释放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、重力更换变速箱油或者使用循环机更换变速箱油都是可以的。重力更换变速箱油的更换原理与机油相似，拧松油底壳底部的紧固螺母后，变速箱油会自动从放油孔流出。此方式最常见也容易操作，但却不能放干净变速箱油。

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、如果条件允许的情况下，用循环机换油好。循环机换油更加的彻底，并存在优势。在实际中，目前很多的4S店铺缺乏循环机，所以重力换油法是国内更加常用的方法。

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、需要先通过重力将变速箱油排出，然后使用循环机，将残留的变速箱油使用新旧油循环的方式来替换。这种方法换油比较彻底，基本能换90%的变速箱油，但是需要使用的变速箱油量更大，换油成本比较高。

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、变速箱内部没有办法达到彻底清理的效果。循环机更换：循环更换的话，优点是可以彻底清洗变速箱内部的相关杂质，变速箱油更换的更加彻底。缺点是循环机更换的话，费用较高一些，一般都是重力更换的两倍。

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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