What are the reasons for the noise between the wiper and the windshield?

[Alan]

The reasons for the noise between the wiper and the windshield are: 1. Wiper issues, such as aging, hardening, or prolonged lack of contact with water, causing dry wipers to produce noise during operation; 2. Foreign objects between the wiper and the windshield; 3. Deformation of the linkage mechanism; 4. Incorrect angle of the wiper arm. The solutions to the noise between the wiper and the windshield are: 1. Spray windshield washer fluid before use to prevent dry friction; 2. Regularly remove dirt and debris from the wiper; 3. Replace the wiper; 4. Recalibrate the position of the wiper arm; 5. Replace the linkage mechanism. The function of the wiper: to scrape off raindrops and dust attached to the vehicle's windshield, improving the driver's visibility and increasing driving safety.

[McSpencer]

I've encountered the same issue before, and later found it's mainly related to windshield cleanliness. An oily film tends to accumulate on the windshield surface, especially for cars parked under trees which are prone to sap stains that rainwater can't wash away, forming spots. The wiper blades then make squeaking noises when rubbing against these spots. Newly replaced wipers might also produce abnormal sounds due to improper installation, such as loose clips causing vibration noises during the return stroke. Aging and cracked rubber blades are also common - if the rubber edges crumble when scraped with a fingernail, it's time for replacement. Spraying some windshield fluid before wiping during rain can help cushion the noise. When parking, it's best to lift the wipers to prevent rubber deformation. These are all insights I've gained through daily commuting.

[SanVivian]

I'm very familiar with this issue - wiper noise is usually caused by incorrect rubber blade condition. OEM wiper blades tend to harden after about six months of use, causing them to bounce and produce a tapping sound on the windshield. Another common scenario is when car wash shops polish the glass, leaving micro-scratches that cause new wipers to make noise when rubbing against the uneven surface. I remember one time when the wiper arm spring loosened, creating uneven pressure that caused one-sided wear on the rubber, producing a screeching sound like fingernails on a chalkboard. My suggestion is to wipe the blade edge with wet wipes monthly to maintain flexibility. Never force frozen wipers to operate in sub-zero temperatures - I learned that the hard way. When buying replacements, don't cheap out - even half a centimeter difference in size can cause noise.

[PrestonLee]

Just dealt with this issue last week. My friend's car kept making a swishing scraping sound, and upon inspection, we found an oxidized layer at the lower right corner of the windshield, rough like a frosted surface. Dried insect remains or bird droppings forming bumps can also cause the rubber seal to jump, producing a rhythmic tapping sound. For cars modified with frameless wipers, note that the bracket pressure is higher than the factory setting, causing the rubber seal to wear out faster. I taught him to use dish soap mixed with fine sandpaper to remove the glass oxidation layer, and the noise disappeared immediately. If the parking area has water sprinklers passing by, water scale buildup on the glass can also cause this. A simple solution is to wipe the glass with white vinegar—eco-friendly and effective.

[McEleanor]

As a car enthusiast, I've found that wiper noise is often caused by multiple factors. After the rainy season, the edges of the rubber blades get embedded with sand particles, producing a clicking sound with each wipe. Misaligned washer fluid nozzles fail to spray onto the blades, resulting in louder dry-wiping noises. Aftermarket wipers with inferior metal frames lack rigidity and vibrate when encountering highly curved windshields. Once I installed wipers without removing the protective film, and the noise from hard plastic scraping glass was terrifying. Now I've developed habits: checking blade elasticity with my fingers before rain; applying rubber restorer quarterly; and parking away from kitchen exhaust vents to prevent grease buildup. These details have solved wiper noise issues on three of my cars.

[FelixMarie]

Having experienced three similar situations, I've summarized several possibilities. The most obvious is deformation of the wiper blade rubber's cross-section - you can feel ridges when touching it, causing a swishing sound during operation. When the edges of the front windshield film lift up, the wiper getting caught in the gap produces a clicking noise. Rust on the wiper linkage can cause jerky movements. Once I found leaves accumulated at the base of the windshield blocking water flow, creating a water film that caused strange noises. Extra caution is needed after winter snowfall - wiper blades buried in snow can freeze solid and crack upon startup. Now I monthly set the wipers to maintenance mode to manually straighten the rubber and prevent deformation. When installing new blades, always remember to remove the protective film - this small oversight most commonly causes odd noises.