What Causes Car Window Rattling Noises?

[VanFrank]

Car window rattling noises can be caused by the following reasons: 1. Aging of the window glass sealing rubber strip. Aging rubber strips are the most likely cause of window glass rattling noises. If the noise occurs in a new car, there is no need to immediately replace the rubber strip. Simply purchase a lubricant online, apply it evenly on the rubber strip, and then repeatedly raise and lower the window a few times to see if the noise diminishes. If the rubber strip is severely aged, it is best to replace it directly. 2. Debris in the window glass guide rail. The gaps in the sealing strips of the window slot can easily allow dust and particles to enter during the window raising and lowering process, which can cause rattling noises due to window glass vibration. If dust and particles accumulate over time, they can damage the lifting motor, leading to rattling noises and even affecting the window's raising and lowering function. 3. Loose screws or clips. When driving on bumpy roads, rattling noises from the car window may be caused by loose internal fastening screws or clips of the window glass, including glass fixing screws, lifting guide rail fixing screws, door trim clips, and other internal screws of the door trim.