If you detect a noise on your vehicle, you are right to take notice of it and take it seriously, although it is plausible that nothing significant will happen, it is also plausible that it is the precursor to a more notable repair. A window noise on GMC Sierra is thankfully a symptom of a small correction / repair, rather than a complicated process. To help you in your research, we have chosen to produce this article to describe the most likely solutions to your problem. First we will talk about the window noises on GMC Sierra of clicking type, then those of squeaking type and finally the window noises on GMC Sierra that come from the window lift motor.windows-noise-gmc-sierra

I experience a noise of a GMC Sierra window: clicking

A window noise on GMC Sierra can be linked to many problems, if in your case you encounter a window noise on GMC Sierra that sounds like a click, like glass for example, it is plausible that one of your two lower glass fasteners has broken. In fact, they are often crafted from polymer and their strength is not always that good. To examine this you will have to take off your door pannel and examine their state. If you experience a window noise on GMC Sierra but you have the feeling that it vibrates when it is opened, it could possibly be the wear of the seals or the position of your rubber guides that triggers this play. If you experience a clicking noise on GMC Sierra, but after verifying your window is not the cause, read this article.

I experience a squeaky GMC Sierra window noise

Second probability, you experience a window noise on GMC Sierra that looks more like a squeaking or grinding sound, in cases like this, it is quite plausible that it is a drying of the seals and/or the mechanism that is involved. In fact, because of the sun or heat, your seals can dry up and trigger this problematic window noise on GMC Sierra. To reduce 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 mechanism that produces this noise, in cases like this, the same solution but on the mechanism directly. If this squeaking noise after checking out is not from your door, browse this article about squeaking noises on GMC Sierra to research the source.

I experience a noise of motor-type GMC Sierra glass

Finally, if you experience a window noise on GMC Sierra 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 most cases this should be linked to a much longer raising or opening time. Verify the motor condition and have it changed if necessary. If this noise is not from your window motor but from something else in your door, browse this article on door noises on GMC Sierra.