Windshield wiper knock noise
#1
Lexus Test Driver
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Windshield wiper knock noise
Whenever I have my wipers on the fastest position, every time they return to the hood area, or all the way to the right if you're sitting in the car, there is a knock as if they are hitting something. No noise is heard when the wipers are run at any other speed. What could this be?
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SENSAY813 (07-24-21)
#2
It sounds like the wiper arms should be adjusted; there has to be an interference somewhere. I had a similar problem and with a mechanic's adjustment it was cured very quickly and very inexpensively; what a huge difference it made.
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