What Are the Reasons for Windshield Wipers Not Cleaning Properly?
3 Answers
Reasons for windshield wipers not cleaning properly: Wiper Angle: The angle of the wiper can cause it to not clean properly, and this can usually be fixed by adjusting it. If the downward pressure of the wiper is too strong, it can lead to uneven force distribution, in which case the distance between the springs should be relaxed. Foreign Objects on the Wiper: If you hear a squeaking or unusual noise when the wipers are operating, it’s likely due to foreign objects caught between the wiper blade and the windshield. This can also cause the wiper to not clean properly. In this case, check for any foreign objects and remove them if present. Alternatively, the wiper blade might be too rough, and simply smoothing it with sandpaper can resolve the issue. Wiper Hardening: Everything has a limited lifespan, especially for vehicles frequently parked outdoors, which are exposed to sun and rain. Over time, this accelerates the aging of the wiper rubber, reducing its effectiveness. In such cases, it’s best to replace the wiper as soon as possible.
I think the wipers not cleaning properly is mostly due to the wiper blades aging and deforming after prolonged use. When the rubber hardens and cracks, it becomes prone to uneven wiping. Or there might be oil film, insect residue, or dust on the windshield, which can smear and blur vision when wiped. Additionally, the washer system might not spray enough water or the nozzles could be clogged. Without sufficient water for lubrication, dry wiping leaves more water streaks. Seasonal changes also have a big impact. For example, wiper blades can freeze and harden in winter or the rubber can deform under high summer temperatures, both reducing wiping effectiveness. Handling it is quite simple. Every season when I apply new car wax, I check the wiper blades for cracks and replace them immediately if needed, opting for durable carbon fiber ones. I also clean the windshield weekly with a neutral cleaner to remove oil film and keep the washer reservoir filled with high-quality windshield washer fluid. Don’t overlook this small issue—delayed maintenance can lead to dangerously blurred vision while driving, especially on highways during rain, increasing the risk of accidents.
As someone who frequently drives to pick up and drop off children, unclean windshield wipers always worry me about safety. It would be terrible if poor visibility on a rainy night leads to an accident. The main causes are usually worn or aged wiper blades that don't fit the windshield properly, or accumulated dirt on the glass that hasn't been cleaned well. Insufficient washer fluid or poor-quality fluid can also cause uneven wiping. My daily maintenance method is to clean the wiper blades and windshield with a soft cloth every time I wash the car to avoid scratches from hard objects. If I notice the blade surface is rough or deformed, I replace them in advance instead of waiting until they don't wipe clean. Additionally, I avoid parking under the scorching sun for extended periods to reduce rubber aging. In short, regular maintenance of the wiper system can effectively prevent problems and ensure the safety of my family's travels.
