It is never pleasing to discover a noise you don’t know anything about and comes from your car. So what if you discern a noise that remains in the cabin of your GMC Sierra? It is highly conceivable that this is a insignificant issue, but before being sure of that, it is better to do some checks. Our team has produced this article to help you identify and solve this cabin noise. First, we will look at those that come from the dashboard, then noises from the cabin, the doors, and finally the plastic noises on GMC Sierra that show up when it is hot.
Reasons that can cause noise in the passenger cabin of your GMC Sierra
I feel plastic rattling noises on the dashboard GMC Sierra
One of the conceivable causes that can generate a plastic rattling noise in your GMC Sierra is that your dashboard, following a repair or vibrations suffered during its lifetime, it may have fasteners that have come loose or unscrewed. Try to define the specific place of this plastic rattling noise on GMC Sierra and using your vehicle’s technical manual try to check the tightness of all the screws involved. Otherwise take your car to your auto technician.
I discern noises in the cabin GMC Sierra
The second most common possibility of a cabin noise in your GMC Sierra is that some parts that come apart may be loose, either because of too frequent disassembly that would have reduced the holding between these elements, or because of vibrations. Think about checking your ceiling light which is often the reason of a cabin noise on GMC Sierra. Otherwise open your doors, those closest to the origin of the noise and check all the openings, covers that are located there, some may have moved and therefore vibrate while driving. Usually putting them back in place or gluing them is enough to solve the issue.
I discern door noises on my GMC Sierra
If you feel a plastic noise on the doors of your GMC Sierra, it is conceivable that it is one of your door trim fasteners that is damaged, or a screw from an internal mechanism of the glass for example or the loudspeaker that has unscrewed and therefore makes the part in question to rub against the door interior. Feel free to disassemble your door trim to find the reason of this plastic door noise on GMC Sierra. For more information on door noises on GMC Sierra, feel free to look at this article.
I discover a cabin noise when hot GMC Sierra
If, on the other hand, you feel cabin noises in your GMC Sierra when summer starts or when the outside temperature is warm, it is unfortunately logical that this trouble manifests itself more during these periods. In fact, plastic being a rather flexible material will expand with heat and will therefore much more easily rub on other plastic or metal parts, this is what will induce cabin noises when hot on your GMC Sierra. It is difficult to cure this issue, you can always look for the exact origin of the noise, and try to put foams or tape between the expanding units to limit their noise from their expansion.
