Why does the car window make a squeaking sound when rolling up and down on rainy days?
2 Answers
The reasons for abnormal noise when the car window is rolled up and down are as follows: Dust: If there is abnormal noise when the window is rolled up and down, it is caused by a large amount of dust accumulated in the rubber guide channel of the window. Therefore, resistance will increase during the rolling process, making it less smooth. Moreover, if there are some particles mixed in the dust, it will produce abnormal noise. Rubber aging: In addition to dust accumulation, rubber aging of the window can also cause abnormal noise. At this time, simply using lubricating oil can solve the problem. Spray it on the rubber; on one hand, it can lubricate, and on the other hand, it can maintain the rubber's toughness and reduce the occurrence of cracks. While solving the aging problem, it also plays a certain preventive role.
I've encountered quite a few cases like this. The squeaking noise when rolling up/down car windows on rainy days is usually caused by rainwater entering the door gaps, which wets the sealing strips, increases friction, and makes rubber components stiff and sticky. For brand-new cars, the sealing strips may not be fully broken in yet, or there might be insufficient lubrication during assembly. Combined with rain and dirt sticking to the window frames, it naturally creates noise during operation. I've noticed many new cars have this issue, mainly due to inadequate attention to manufacturing details. I'd recommend avoiding frequent window operation during rainy days and visiting an authorized 4S shop as soon as possible for professional inspection. They should apply specialized lubricants and clean dirt from the sealing strips to ensure long-term proper functioning of the window system.
