Gravity oil change is economical, but a change is not clean, need to change more than a few times, gravity change the transmission oil to 2-3 times, so as to remove the precipitation, if there are conditions, it is recommended to change three times, you can be cleaner.
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3 gravity change transmission oil method, unscrew the oil outlet screw at the bottom of the automobile gearbox, transmission oil flows out with gravity, the color is much clearer than the previous two times, and the fluidity is better, when the transmission oil no longer flows, screw on, add new oil can be