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***Friends, please note that the stepper shaft comes out and opens in 2 ways: either it comes out in a rotating manner or in a way that you have to remove the stepper from its place but the power socket is connected, then open and close the switch several times until the stepper shaft pops out. To insert it, you gently push the shaft into the stepper and the shaft is pulled in by opening and closing the switch. The second method is done by 2 people. Does your car have engine speed fluctuations? When you start it, the engine turns off quickly? When you take your foot off the gas while driving, the engine turns off? When you turn on the air conditioner, the engine turns off? In this 3-part video, I will teach you 0 to 100 engine breathing system + stepper function + causes of stepper malfunction + complete stepper motor service + installation and restart so that whenever you encounter the above problems, you can do it yourself and fix it. #L90 #Sandero #Tender90 #Service #Training #Stepper #logan #sandero #k4m #training #stepper #stepper #steppermotor