What to Do When the Wiper Doesn't Clean Properly When Moving Downward?

[McColin]

You can try using an adjustment wrench to clamp the wiper and then gently rotate it to adjust it to a vertical position. If the cleaning effect is still not satisfactory, you can also try loosening the spacing between the springs. Below is an introduction about wipers: 1. Correctly clean wiper dirt: Dust and sand particles are the main culprits of wiper wear. They hide between the wiper and the windshield, causing the wiper to wear out more and more each day. If car owners usually do not pay attention to cleaning, prolonged use will cause the wiper to loosen its fit with the windshield, leading to increased wear. 2. Park outdoors with the wipers raised: The hot summer temperatures directly threaten the rubber material of the wipers. Over time, this can cause significant damage to the material, leading to deformation or loss of elasticity. Therefore, car owners should remember to raise the wipers after each parking. 3. Regular lubrication: The joints of the wiper arm and the tension spring of the wiper arm should be frequently lubricated with a loosening agent to reduce the friction between the wiper and the glass. At the same time, it can also help remove dirt.

[PaisleyFitz]

I've also encountered the problem of wipers not cleaning properly, especially leaving water streaks during rainy days, which is particularly annoying. First, I tried checking the wiper blades. If they feel scratched or have aging cracks, it might be due to insufficient pressure caused by blade wear, and they need to be replaced. Sometimes, oil film or insect residue on the windshield can also affect wiping performance. I used glass cleaner to thoroughly wipe it down. If there's no improvement, check if the wiper arm is loose or deformed; occasionally adjusting the spring tension can solve the issue. When replacing blades, don't rush to buy expensive ones; ordinary rubber blades costing just a few dozen yuan are sufficient. Remember to test the wipers a few times on sunny days regularly to prevent aging. Poor wiping can threaten driving safety. If visibility becomes blurry, address it as soon as possible and don't wait until bad weather to regret it.

[JessicaRose]

After years of driving, I often encounter wipers that don't sweep downward smoothly. This is usually due to hardened or nicked wiper blades from prolonged use, leaving water streaks when wiping. Once on the highway, I found the wipers weren't clearing properly—turned out the windshield was contaminated with car wax, and a simple wash with soapy water fixed it. Another common cause is aging wiper arms losing elasticity, preventing the blade from sealing against the glass. I gently bent mine back into shape with a tool to improve contact. If the blades are completely worn out, it's best to replace them promptly, opting for OEM or compatible brands for reliability. During regular car washes, remember to clean where the wipers meet the glass to extend their lifespan. Don't overlook this detail, as poor visibility in rain increases accident risks.

[SiennaAnn]

I was quite nervous about this issue at first. As a beginner, I used a wet cloth to wipe the wiper blades and windshield directly, and sometimes dust or debris would get stuck there, causing the wipers to not clean properly. If cleaning doesn't help, the wiper blades might be worn out, and you just need to find some time to replace them—it's very cheap. Nowadays, auto parts stores offer self-service replacement, which takes just a few minutes, or you can ask a friend to help, which is even easier. Remember to check if the wiper arm is positioned correctly—if it's too loose or too tight, it could cause problems. Keeping the windshield clean is key, especially doing some prep work before rainy days.

[AshlynFitz]

Wiper blades failing to clean properly severely endangers driving safety, especially during nighttime or heavy rain when visibility is blurred. When encountering this situation, I immediately pull over, turn on the hazard lights, and inspect the issue once it's safe. Possible causes include cracked wiper blades that fail to adhere to the glass or oil stains on the windshield affecting water removal. Cleaning the glass with a specialized cleaner is usually effective. If the blades are damaged, replace them without hesitation. Bent wiper arms can also cause uneven pressure, requiring professional adjustment. Ensure clear visibility before resuming driving. Regular maintenance of the wiper system, such as quarterly inspections, can prevent unexpected issues.