What Causes Loud Friction Noise When Rolling Up/Down Car Windows?

1 Answers
DelLawson
07/29/25 6:17pm
The loud friction noise during window operation may be caused by aging window seals or excessive dirt accumulation between the glass and seals. Specific reasons are as follows: Aging Window Seals: The noise could result from deteriorated window seals. Aged seals increase friction, leading to abnormal sounds. This condition becomes more noticeable in summer as heat causes expanded seals to create even greater friction and louder noises. Dirt Accumulation Between Glass and Seals: Another possible cause is dirt buildup in the gap between the glass and seals. Particulates in the dust rubbing against the glass can generate noise. If this is the case, the issue can be easily resolved without visiting a repair shop - simple DIY cleaning will suffice.
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