Car wiper is the main cleaning component of the car. When the riders are driving their own car, the abnormal sound of the wiper from time to time is really annoying, affecting the driver's feeling of driving the car, and it may cause serious in heavy rain. Car traffic accidents. So what is the reason for the abnormal sound of the car wiper? The following is a small series of handling methods for the car wipers to deal with some abnormal noise of the car wiper, I hope that the riders can handle certain problems in this aspect. 
1. The problem of the wiper blade itself causes the wiper blade to sound abnormally.
The wiper blade is a rubber product. It will appear aging and hardening for a period of time. The winter is more obvious. If it has not been cleaned, the simplest and most effective solution is to replace the new wiper blade directly. Generally, the wiper blade is recommended to be replaced once or two years.
2. The abnormal noise caused by foreign matter inclusions between the wiper blade and the windshield.
When the wiper is turned on, there will be a sharp sound of friction between the wiper blade and the front windshield. The owner can check the foreign matter under the wiper blade or the wiper to ensure that the wiper blade is clean.
3. The sound of the wiper connecting rod bushing friction.
When the vehicle is old, the wiper linkage mechanism will be aging, the spring of the wiper arm will decrease, and the bushing will wear and even fall off. Check the wiper arm or wiper link bushing.
4. The abnormal sound from the wiper motor.
If the wiper motor itself makes an abnormal noise, it is likely to be the performance before the end of the motor life. It is recommended to go to a professional repair shop for a more detailed inspection.
Preventing the abnormal sound of the wiper. Tips The main function of the wiper is to clean the rain. If there are other stains on the glass, you can't use it casually. If there is no rain, you can't use the wiper. Never scratch it. This will not only damage the wiper blade, but also the motor of the wiper will be affected if it is serious. Even when it rains, wait until there is enough water on the glass to use it. Otherwise, it will appear like dry scraping.
Pay attention to the problem when using the wiper:
2. When checking the working condition of the wiper, the windshield should be wetted with water first, otherwise the glass will be scratched. At the same time, due to the large frictional resistance of the blade, the blade may be damaged or the motor may be burned out. After opening the wiper switch, pay attention to the abnormal noise of the motor. Especially when the wiper motor “clicks†and does not rotate, it indicates that the mechanical transmission part has been rusted or stuck. The wiper switch should be turned off immediately to prevent burning. Motor.
3. After the wiper switch is turned off during use, the wiper blade should return to the lower side of the windshield and stop. If the stop position is incorrect, it should be adjusted. When adjusting, the cover of the automatic stop can be rotated. The clockwise rotation stop position is shortened, and the counterclockwise rotation stops the stop position.
4. When the wiper is used in winter, if the scraper is frozen or caught by the snow mass, the switch should be turned off immediately, and the ice cubes and snowballs can be removed before use. Otherwise, the motor will be burnt due to excessive scraping resistance.
The above is some simple processing methods for the car wipers to sort out some abnormal sounds of the car wiper. The riders should not neglect such small problems in the process of car maintenance. Often the car accidents are caused by small problems. .
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