Tips, how to extend the engine belt life?

A lot of car owners should have encountered this kind of situation, one's own car has the abnormal noise of the engine outside belt after starting the car. The sound time is still quite long, especially annoying, to some maintenance stations to check, they often say that the belt is not enough to replace the belt. In fact, our belt life has not yet arrived. Let's talk about a method today that can solve this abnormal noise problem, increase its longevity and reduce costs. Most belt abnormal sounds are caused by burrs on the outer side of the belt, and abnormal noise may occur after the engine starts. When we deal with it, we just need to grind out the outside burr with sandpaper. Note the problem: we can handle this problem ourselves. In the case of engine running, we can stack the sandpaper gently and gently touch the outside of the belt. The time is very short. So the belt will not ring and it will take