With the car idling and the rain hits the windshieldhe brush click dried on the glass is reminiscent of sandpaper against a window. This is an unmistakable sign: Something wrong. But before you run to look for new ones, try this.
In most cases, this unpleasant noise It has more to do with interview than with wear. Maybe dirt, drought either misalignment. and there is simple ways of return their silence.
Why do brushes squeak?
Friction, dirt or lack of flexibility
- Dust, insects or wax in the glass, they increase friction.
- hardened rubber because of the sun or the cold which no longer adapts well.
- Arm misaligned which does not press equally on the entire surface.
The vinegar and vaseline method
- Remove dirt with white vinegar on a microfiber cloth.
- Dry them and apply a thin layer of white petroleum jelly.
- Let them sit for a few minutes before using them again.
When should they be changed?
- If the rubber is cracked, deformed or leaves areas uncleaned.
- If they continue to squeak after cleaning and lubricating them.
“Nails well-maintained brushes They can last between 6 and 12 months more”, according to Osram Automotive in your maintenance guide (2023).
“He main enemy of rubber is the continuous exposure to the sun” adds a Bosch Technician Spain (2024).
If you like prevent the windshield becomes a sound skating rink Every time it rains, remember: it’s not magic. It’s maintenance.
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