(1) Solution to the abnormal sound of the disc brake Reason: If your motorcycle is bumping into the iron when it is over the pit or shaking, it is definitely a problem with the disc brake. Solution: (1) Prepare a word for the screw to open the screw, and the 6th angle of the 5th. (2) Then use the 6th angle inside the 5th to loosen the brake pad to fix the screw, and then unscrew the caliper fixing screw. (3) Remove the brake pad and see the limit piece of the brake pad. This piece is embedded on the caliper. Pay attention to the buckle on the side, pull it by hand or lift it up with a flat lift. (4) Remove the shrapnel and use the needle-nosed pliers to slightly tilt the curvature of the shrapnel. (5) The arc of the warp can be large, so that the oversized pit or the large vibration brake pad will not ring. (6) Then observe the brake pad fixing screw, the hand touch is smooth, generally long-term braking, the screw is always a bit awkward. (7) The fine sandpaper is slightly polished, buttered, and then placed in the brake pads, because the cam is too large to press the brake pads by hand. (8) Reinsert the fixing screw of the brake pad. Put it back as it is. Finally, tighten the fixing screws to the butter. (9) After loading, press and hold the brakes until you return to the position. (10) Test the car, find a pit ride, and feel the innocent troubles. (2) There is abnormal noise in the rear brake Reason: When the motorcycle is stepping on the rear brake, the noise is as harsh as the friction between the metal. What is the reason? Most of these sounds are caused by water or dust in the brake hub, and will not affect the brakes. Please also note that the asbestos layer on the brake pads is too worn and can cause this phenomenon. It is recommended to replace the brake pads, no matter how safe first, the reasons for the ringing may be caused by the following problems: (1) The quality of the brake pads is not off. (2) Whether there is any foreign matter on the brake device, there will be noise at this time. (3) The brake disc or brake pad is deformed, and it is impacted by external force. In many cases, the eye cannot see the slight deformation, and it will make a harsh sound when it is used. (4) There will be noise when the air humidity reaches a certain level. This sound can be tolerated. After the running time, when the water vapor on the brake pads is gone, it will not sound or sound. (5) You are the asbestos dust generated by the wear of the brake pads. When the brakes are clamped between the brake pads and the hub, the pressure and temperature of the brake pads form a hard enamel on the surface of the brake pads, so the brakes produce a harsh sound. Solution: Saw several slots on the friction surface of the brake pad with a saw, so that the dust in the brake drum with a swirling airflow brake pad enters the slot and is swept away by the airflow. You must change the brake pad of white color, which is a hard brake pad. You have no problem with changing the red brake pad with a red color. Recommendation: Brake pads are consumables, generally not guaranteed, unless the quality problem can be replaced, such as the steel fire caused by the break, wear too fast (normal 3 months of wear, reached in a month), etc. Wait.
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Various strange noises and abnormal sound diagnosis and repair of motorcycles (on)
The abnormal noise of motorcycles is a problem that many fans may encounter. Most of them are treated as long as they do not affect safe driving. They ignore the existence of strange noises and strange noises, and some friends are self-proclaimed. Finally, I couldn't find out why I went to the maintenance point to look for the maintenance master. The result was not known to the pit. First of all, if I can't judge what is causing the abnormal noise, the strange noise first finds the reason on the Internet. If you know what the problem is, you can try not to go to the repair point by yourself. Here is a complete diagnostic test method for everyone.