You can't replace it directly. The high-speed rotation of the half shaft leads to grease being drained, dirt, sand and dust entering the ball cage bearing, resulting in the wear of the ball cage, and the car shaking from side to side when moving, which is very unsafe. Replacing the dust cover may leak a little oil in the gearbox. After the substitution, just add a little oil to the variable box.

Automobile dust jacket ball cage self-test

It's easy to see that the dust cap is broken. It's inside the two rear wheels. As long as you see there is mud on the hub, if slight damage, advocate you replace. If there is oil in it, it will be thrown out. If the car announces abnormal noise, it's not the dust cover. It is necessary to check the ball cage to see whether the grease of the ball cage bearing is drained, if there is no grease, there will be abnormal sound.

Ask a professional

More importantly, if you do not often pay attention to your ball cage dust cover, if he is aging time damage may damage time serious, his ball cage damage, gear oil loss, then do not blindly deal with their own, should ask professional technology may let professionals to deal with these problems.