If you detect a noise on your car, you are right to take notice of it and take it seriously, although it is plausible that nothing significant will occur, it is also plausible that it is the precursor to a more notable fix. A window noise on Lexus IS is however an indication of a small correction / fix, rather than a complex process. To help you in your research, we have decided to create this article to explain the most likely solutions to your trouble. First we will talk about the window noises on Lexus IS of clicking type, then those of squeaking type and finally the window noises on Lexus IS that come from the window lift motor.
I listen to a noise of a Lexus IS window: clicking
A window noise on Lexus IS can be connected to different problems, if in your case you experience a window noise on Lexus IS that sounds like a click, like glass for example, it is plausible that one of your two lower glass fasteners has broken. Indeed, they are often made of polymer and their strength is not always that good. To verify this you will have to take off your door pannel and verify their state. If you listen to a window noise on Lexus IS but you have the feeling that it vibrates when it is opened, it may perhaps be the wear of the seals or the position of your rubber guides that causes this play. If you listen to a clicking noise on Lexus IS, but after testing your window is not the cause, look this article.
I listen to a squeaky Lexus IS window noise
Second probability, you listen to a window noise on Lexus IS that looks more like a squeaking or grinding sound, in this case, it is quite plausible that it is a drying of the seals and/or the mechanism that is involved. Indeed, because of the sun or heat, your seals can dry up and trigger this unpleasant window noise on Lexus IS. To get rid of it, you will have to dismantle the door panel and grease your seals with a non-corrosive product for plastic, it is also plausible that it is your device that causes this noise, in this case, the same solution but on the device directly. If this squeaking noise after verifying is not from your door, read this article about squeaking noises on Lexus IS to identify the source.
I listen to a noise of motor-type Lexus IS glass
Finally, if you notice a window noise on Lexus IS that looks like an electric motor noise when you move your window up or down, it is very likely that your window electric motor lift is at the end of its life. In general this should be linked to a much longer raising or opening time. Verify the motor condition and have it changed if needed. If this noise is not from your window motor but from something else in your door, read this article on door noises on Lexus IS.
