The solution to abnormal sound of the transmission shaft is as follows:

1, during the change of speed and throttle test, if there is a "click, click" impact sound, it is likely to be loose bearing wear or lack of oil, should add enough oil, repair or replace the bearing;

2, the vehicle at the start, there is a "clanging when" sound or sound is mixed and disorderly, such as in the slow slope road when backing up, there is a "clanging, clanging" continuous sound, generally is the needle rolling broken, broken or lost, should be replaced new;

3. Check the technical status of universal joint fork and intermediate shaft support. If the installation is not required, the cross shaft and needle roller are worn and broken and loose, and the drive shaft assembly is out of balance, repair or replace it;

4, use the hand to twist the shaft, such as torsion shaft feel loose, can be broken to check whether the bearing wear or damage, lubricating oil is sluggish lack of support rubber sleeve is damaged, if necessary to repair or replace.