Every winter in Massachusetts, it’s common to see cars with their wipers lifted before a heavy snow or ice storm. Although this may seem like a good idea, it can sometimes cause unforeseen problems.
Why Leaving Windshield Wipers Up Can Cause Damage
Windshield wipers are pressed against the glass by springs inside the wiper arms. Lifting them stretches these springs. Briefly stretching them while changing blades is safe, but leaving the wipers raised overnight or for several days can cause issues.
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What Experts Are Saying
Experts warn that these springs may stretch permanently, causing the wipers to lose proper contact with the windshield. This can cause streaks, skipping, or the annoying chattering noise at highway speeds, even with new blades.
The probability of your windshield cracking.
There’s also a risk of the wiper arm unexpectedly snapping back down. When upright, wiper arms are quite unstable and can be toppled by a strong gust of wind or an accidental bump. This can cause the arm to strike the windshield with enough force to crack the glass. Although it might seem extreme, such incidents do occur. I’ve even seen friends break their wiper blades.
I understand. There’s nothing more annoying than driving with ice chunks on your wiper blades that block your view every time they wipe the windshield. Still, there are better solutions…