The abnormal sound is caused by the deflection of the bracket position due to the excessive or small tightening torque of the bolt.
When the car is driving, the drive shaft emits a continuous “woo” sound. First, check whether the fastening bolts of the rubber gasket spacer of the intermediate support bearing bracket are too tight or too loose (not according to the specified tightening torque requirements), so that the position of the bearing bracket is offset. incline. The tightness of the bearing cap bolts can be adjusted to eliminate abnormal noise faults. If there is still noise after adjusting the bearing preload, check the lubrication condition of the bearing. Reinstall the bearing and bracket.
10. During the driving of the car, if there is a heavy metal knocking sound on the transmission shaft when braking and decelerating, it means that the rear steel plate flute riding nut is loose