1. Check the protective covers of the drive A and driven B of the axle shaft joints C for damage, cracking, lubrication leaks, loosening of the fastening collars D. If any damage is found, replace the cover and its fastening collars.
2. Rotate the axle shaft by hand to make sure there is no significant play in the swivel and spline connections.
3. Make sure the axle shaft is not bent or cracked. In the presence of the specified defects replace a shaft.