GMC, automatic gearbox oil change in the automatic transmission in Zevulun

GMC, automatic gearbox oil change in the automatic transmission in Zevulun.
First of all, the method of hardware automatic transmission oil change requires removing the used oil under pressure. First, part of the old oil from the automatic transmission is drained, and the same volume of fresh oil is added. After that, you can drive the car for a while and repeat the procedure to the end. During the second refill, you can replace the filter and, if necessary, clean the valve body.