All parts of the car that can rotate and move must be lubricated, otherwise they will wear out quickly. Some are liquid lubricants, which need to be replaced regularly, and some are lubricating greases, which need not be replaced. For example, in the half-axle ball cage and the outside ball head of the steering wheel's horizontal tie rod, all the lubricants are grease. As long as the rubber sleeve wrapped with these greases is not damaged and the grease leaks, they need not be replaced for life.
Generally, the service life of wiper blade is about 1-2 years, and it can be used for 3-4 years if it is maintained well. The quality of wiper is standard in our country. The durability of wiper strip should reach at least 500,000 times of wiper cycle. Its design life is three to five years. Vehicle owners should pay attention not to dry wiper glass, more clean wiper, so as to prolong the service life of wiper.
Because the materials of the brake pads are different, the habits of each person driving are different, the driving road conditions are different, and the frequency of using the brakes is different, so the wear of the brake pads will be different. Some people need to change the brake pads after 20,000-30,000 kilometers. Some people may not need to change the brake pads for 100,000 kilometers.