Is it necessary to replace the CV joint if it's leaking oil?
1 Answers
Leaking oil from the CV joint does not necessarily require a complete replacement. The main cause of CV joint oil leakage is the aging and cracking of the rubber components outside the CV joint. If the oil leakage issue can be resolved by replacing the rubber components, a full replacement is not necessary. Of course, if the CV joint oil leakage is very severe and the wear is significant, it is recommended to replace the entire CV joint. Here is some relevant information: 1. After the ball joint starts leaking oil, the lubrication inside the ball joint will decrease. Continued driving for a period of time will cause severe wear to the ball joint, eventually leading to the ball joint falling off and the vehicle being unable to operate normally. During regular maintenance, you should check whether the rubber boot of the CV joint is cracked. If it is cracked, it should be replaced promptly to avoid more serious failure issues. 2. If there is only slight oil seepage and no abnormal noise when the vehicle is running, adding lubricating grease again and resealing can also be an option. Resealing usually involves replacing the dust cover, as the main function of the dust cover is to prevent dust from entering the CV joint and to stop the lubricating grease inside the CV joint from leaking out. Additionally, the CV joint must use a special high-temperature-resistant lubricating grease, and other types of lubricating grease cannot be used as substitutes.
