The manufacturer of transmission shaft support tells you the specific details of universal joint maintenance

Universal joint refers to the parts that use ball type devices to realize shaft power output in different directions. It is also a very important part of the automobile. The combination of universal joint and transmission shaft support is called universal joint transmission device. On vehicles with front engine rear wheel drive, the universal joint transmission device is installed between the output shaft of the transmission and the input shaft of the main reducer of the drive axle; The front engine front wheel drive vehicle omits the transmission shaft, and the universal joint is installed between the front axle half shaft and the wheel, which is responsible for driving and steering. Next, I'll share with you the maintenance methods of the universal joint.

The maintenance of the universal joint spider requires grinding gear oil. Because the lubricating nipple of the universal joint spider needle roller bearing is an ordinary grease nipple, it gives people an illusion that it has been widely lubricated with grease for a long time. In fact, it is very difficult to fill the needle roller bearing with grease from this grease fitting, and even to reach the end face of the spider journal. Lubricating with grease will cause early damage to a large number of spider needle bearings.