When the car starts, turns or changes the speed of driving, the rear axle gives out abnormal sound.

(2) fault diagnosis and troubleshooting

(1) parking and supporting the rear axle, placing the transmission in gear, turning the transmission shaft with hand, and feeling the meshing situation of the rear axle. If it is obviously loose, check whether the meshing gap between the main and driven gear of the main reducer is too large. If the gap is too large, it should be adjusted. Check whether the gap between the semi axle and the semi axle gear key slot in the north of Baotou is too large and should be repaired if it is too large.

(2) check the height of the liquid surface of the rear axle of the Mercedes Benz parts in the north of Baotou. If the liquid surface is low, it should be found out, and the lubricating oil is added.

(3) road test, change speed, straight or turn. If the vehicle speed is fast, high noise, it indicates that the bearing wear loose, gear meshing arrhythmia; if the change in speed, crash, that the gear gap is too large, should be adjusted; if the car is moving in a straight line ring, that gear tooth damage, should be replaced; if turning sound, Baotou North Benz parts of the planetary half axle gear, gear damage, or cross shaft lubrication.