Nissan 31935-X420D Sensor Assembly-Revolution

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To replace the transmission speed sensors, first disconnect the electrical connector from the sensor. Then, remove the mounting bolt and remove the sensor, discarding the O-ring.

The output speed sensor on 2013 and later 4AT transaxles is located on the top of the transaxle. To replace it, you should disconnect the sensor electrical connector, raise the vehicle and support it securely on jackstands, work from the rear of the transaxle assembly, remove the sensor mounting bolt, and remove the speed sensor. Remember to discard the old O-ring and apply transmission fluid to the new O-ring during installation.