Maintenance skills of brake cylinder

The brake cylinder needs to be inspected and maintained after the vehicle is driven. Most car owners have encountered the phenomenon that the brake disc is hot and the brakes are not so good while the brakes are good. In fact, this is because of the brake disc. caused by uneven wear.
In order to avoid this failure of the brake pads, we should carry out maintenance work on the sub-pump. When maintaining the sub-pump, we should carefully check whether there is rust in the piston of the sub-pump. If the rust is serious, it needs to be replaced, because the rust is serious. It is very difficult to get in under the circumstances, so we should replace it with a new one in order to ensure the performance of the brakes.
During maintenance, the use of the pump sheath pin should also be checked. For those with rust, we can sand the rust off with sandpaper, and then apply butter on it.
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