What Causes Excessive Wiper Blade Movement in Cars?

[Campbell]

Excessive wiper blade movement in cars is caused by impurities or foreign objects on the wiper blades or glass surface, which increases resistance and causes shaking when the wipers reach certain positions. Below are the specific reasons for excessive wiper blade movement: Dirty Windshield: It may be due to a dirty windshield. Using professional glass cleaner and degreaser to thoroughly clean the glass can remove invisible surface deposits and oil stains. Frequent Dry Wiper Usage: Frequent use of wipers under abnormal conditions, such as dry wiping, can cause large-scale damage to the rubber contact surface of the wiper blades. It is important to correct this usage habit promptly.