It is never pleasing to hear a sound you don’t know anything about and comes from your car. So what if you identify a noise that persists in the cabin of your Peugeot 407? It is highly possible that this is a small issue, but before being sure of that, it is better to do some checks. Our team has written this content to help you find and fix this cabin noise. First, we will look at those that come from the dashboard, later noises from the cabin, the doors, and finally the plastic noises on Peugeot 407 that appear when it is hot.cabin-noisepeugeot-407

Reasons that can cause noise in the passenger cabin of your Peugeot 407

I encounter plastic rattling noises on the dashboard Peugeot 407

One of the possible reasons that can create a plastic rattling noise in your Peugeot 407 is that your dashboard, after an intervention or vibrations suffered during its lifetime, it may have fasteners that have come loose or unscrewed. Try to establish the precise spot of this plastic rattling noise on Peugeot 407 and using your vehicle’s technical manual try to check the tightness of all the screws concerned. Otherwise take your vehicle to your auto technician.

I feel noises in the cabin Peugeot 407

The second most common possibility of a cabin noise in your Peugeot 407 is that some components that come apart may be loose, either because of too frequent disassembly that would have reduced the holding between these parts, or because of vibrations. Think about checking your ceiling light which is frequently the cause of a cabin noise on Peugeot 407. Otherwise open your doors, those closest to the origin of the noise and check all the openings, covers that are installed there, some may have moved and therefore vibrate while driving. Generally putting them back in place or gluing them is enough to fix the issue.

I experience door noises on my Peugeot 407

If you feel a plastic noise on the doors of your Peugeot 407, it is possible that it is one of your door trim fasteners that is broken, or a screw from an internal mechanism of the glass for example or the loudspeaker that has unscrewed and therefore makes the component in question to rub against the door interior. Feel free to take apart your door trim to find the reason of this plastic door noise on Peugeot 407. For more information on door noises on Peugeot 407, feel free to look at this article.

I hear a cabin noise when hot Peugeot 407

If, on the other hand, you discover cabin noises in your Peugeot 407 when summer starts or when the outside temperature is warm, it is sadly logical that this problem manifests itself more during these cycles. Indeed, 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 generate cabin noises when hot on your Peugeot 407. It is difficult to fix this issue, you can always look for the exact source of the noise, and try to put foams or tape between the expanding parts to limit their noise from their expansion.