Some people may say that I don't see any problems with the calipers and brake pads in the appearance, and the brake force is acceptable, and should not be maintained. This sounds like it doesn't seem to be a problem, but it seems that we have no reason to prove that it is right. So, when you haven’t reached the tipping point, it’s not a bad thing to even take care of yourself.
We mainly explain the maintenance of the front wheel brake system, and the rear wheel can also be maintained according to the gourd painting. If you have a parking rack, or if you have a big foot support in the factory, you can start preparing yourself for maintenance. First we can remove the caliper first. If it is a unilateral caliper, then you need a big one. Then use it to pull out the bolts or shrapnel that secure the brake pads before you can successfully remove the brake pads.
After the brake pads are removed, clean the various components of the caliper, such as brake dust, and other things that should not appear on the calipers, along with the pistons. Use a toothbrush and an organic cleaner to clean the caliper. The top of the caliper is the most difficult to clean. It is recommended to use a brush with a long enough brush to remove all the stains and clean them. Then blow the calipers with a hair dryer.
The cleaning of the piston is a little more troublesome. Slowly press the brakes a little and withdraw the piston completely from the caliper before cleaning the piston. Try to clean it with a cleaning agent that does not contain corrosive substances.
After the piston is pulled out and cleaned, it is necessary to put the two pistons together in the caliper at the same time, which can effectively prevent them from pushing and pushing each other out due to the pressure. If you feel that the piston has a kind of force pushing it out, you can try to open the lid of the oil cup and release the air to put the piston back smoothly.
Similarly, the cleaning method of the single-piston caliper is not much different from that of the double-piston caliper. Just pay attention to the cover of the slide rail when disassembling, and the plug of the caliper should be cleaned with a cleaning agent that does not contain corrosive substances to remove the old grease. Check the pin for gaps or wear. Apply oil with water and high temperature resistance and reinstall them.
Since the material of the brake pads will leave marks on the disk, these residues must be removed before installing new brake pads. Even if you put on the same type of brake pads of the same brand, you still need to remove the residue on the disc. At this point, we can lift the front wheel, press it on the disc with a sandpaper and rotate it a few times. Be careful not to use a lot of force to damage the disc. After cleaning, spray some detergent and dry it.
Now, you can enter the step of installing the brake pads. Pay special attention to the correct position of the original spring. If you really forget how to assemble, you can check another caliper. Special attention must be paid to the position of the brake pads and calipers, and the new brake pads on the calipers can be effectively closed to the disc after the brakes are pulled.
When the brake pads are installed and you are sure that they can be tightly closed with the disc, don't forget that all new things need to be worn out. The surface of the brake pads and discs is not smooth, but has a large number of convex and fine points and grooves. The purpose of running-in is to enable these raised points to smoothly rub against the grooves. To provide a large frictional and frictional contact area. Riding a car and going out for a lap, maybe you will feel the vehicle handling is more convenient after coming back.
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