If you detect a noise on your vehicle, you are right to be careful of it and take it seriously, although it is conceivable that nothing critical will occur, it is also conceivable that it is the sign of a more critical fix. A noise that occurs in the trunk of your Peugeot 407 is fortunately more a indicator of a small adjustment or service, rather than a complex one. To help you in your research, we have chosen to write this content to present you with the most likely solutions to your issue. First we will see that this trunk noise on your Peugeot 407 can come from accumulated dirt, the issue can also come from a loose lock and finally, it can even come from a simple rivet that sits inside your bumper.
Noise in the trunk Peugeot 407 : Accumulated dirt that causes poor closing
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We will therefore start with a trunk noise on your Peugeot 407 created by dirt accumulated on your joints, lock for example. Indeed, it is conceivable that on a vehicle that is already a few years old and whose cleaning is not always a top priority or that the roads used are not very clean that dirt accumulates at the trunk gasket. This issue causes a poor closure of the trunk and a noise that can sound like a crack. To verify if you are in this condition, open the trunk of your Peugeot 407, examine the state of the gasket that runs around the entire tailgate and clean it with a wet/soap cloth, dry the whole thing and try to close the trunk and take a dentred road to see the difference. If this is not the case, continue to the other hypotheses that will probably give a solution. It is conceivable however that you have a trunk noise on your Peugeot 407 that is linked to other sources such as shock absorbers, do not hesitate to have a look to this content on the noises at the back of a Peugeot 407.
Noise in the trunk of my Peugeot 407 : Loose lock, clicking noise
Second probability, you may also, over time, knowledge a locking system that has taken up some play. And this is one of the most likely alternatives. Indeed, knowing a trunk noise on your Peugeot 407 is very frequently linked to this issue. Some solutions are existing to you subject to the level of play you have with your lock. The first is that quite often the offset is minimal and a simple greasing of the system with thick grease is more than enough to fix the problem. Secondly, it is also conceivable that you really have a lot of play on your lock and that each time the trunk “jumps”, in which circumstance you would have to take out the cover that will allow access to the lock (inside the trunk). Then, using torx screws, you unscrew the striker attached to the threshold, just push it back a little towards the inside of the trunk and tighten it again. Don’t forget to verify the centering of the striker in relation to the trunk lock. If after checking the trunk of your Peugeot 407 closes badly, it means that you have moved it too far, duplicate the procedure by pushing the striker less.
Noise in my trunk Peugeot 407 : Rivet following plate change in the trunk/ bumper
Finally, one of the last possibilities. It is that following a license plate change you were unlucky and that a piece of rivet fell at the rear of your plate. Indeed, when a plate replacement is made, to take off the old one the technique used is to drill the existing rivets to be able to release the license plate. Sadly, it can happen that part of the rivet falls into the hole of the bumper and it will therefore wander inside the bumper and can provoke an annoying noise. To check that it is this problem you are experiencing, and that you have a trunk noise on your Peugeot 407 linked to a rivet, you will need to verify that it is in the tailgate open it and stir it to identify the noise. If this is your situation, you will have to remove the linings from the trunk to remove it. Finally, if it is your bumper, it is in this rarer and more unpleasant situation, you will have to take off the bumper to remove the bits of rivet that are running around.
