What Causes the Noise When Windshield Wipers Scrape Against the Glass?

1 Answers
SanMariana
07/29/25 9:59am
There are several reasons why windshield wipers may produce noise when scraping against the glass: 1. The wiper blades have aged and hardened; 2. There is debris between the wiper blades and the windshield; 3. The linkage mechanism is deformed or there is an issue with the motor; 4. Problems with the intermittent relay; 5. Incorrect wiper arm angle or improper speed (too fast, too slow, or continuous movement) can also cause noise. Steps to replace windshield wipers: 1. Lift the wiper arm; 2. Press the clip underneath to remove the wiper blade; 3. Take off the wiper; 4. Pry up the front end of the middle clip; 5. Insert the new wiper into the middle clip, pull it tight by hand, and the replacement is complete once you hear a clicking sound.
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