If you find out a noise on your vehicle, you are right to be concerned of it and take it seriously, although it is plausible that nothing major will occur, it is also plausible that it is the symptom of a more important restoration. A noise that appears in the trunk of your Mazda CX 7 is thankfully more a signal of a small manipulation or service, rather than a complicated one. To support you in your research, we have decided to compose this article to present you with the most likely solutions to your trouble. First we will see that this trunk noise on your Mazda CX 7 can come from built up dirt, the trouble 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 Mazda CX 7 : Built up dirt that triggers poor closing
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We will therefore begin with a trunk noise on your Mazda CX 7 created by dirt accumulated on your joints, lock for example. Indeed, it is plausible that on a vehicle that is already a few years old and whose cleaning is not always a priority or that the roads used are not very clean that dirt collects at the trunk gasket. This trouble triggers a poor closure of the trunk and a noise that can sound like a crack. To verify if you are in this circumstance, open the trunk of your Mazda CX 7, check the state of the gasket that goes 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 improvement. If this is not the case, continue to the other hypotheses that will probably give a solution. It is plausible however that you have a trunk noise on your Mazda CX 7 that is relating to other origins such as shock absorbers, do not hesitate to read this article on the noises at the back of a Mazda CX 7.
Noise in the trunk of my Mazda CX 7 : Loose lock, clicking noise
Second possibility, you may also, over time, be the victim of a locking system that became loose. And this is one of the most probably alternatives. Indeed, knowing a trunk noise on your Mazda CX 7 is very often relating to this trouble. Different solutions are existing to you according to the level of play you have with your lock. The first is that sometimes the offset is minimal and a simple greasing of the mechanism with thick grease is appropriate to solve the problem. Secondly, it is also plausible 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 remove the cover that permits 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 connection with the trunk lock. If after checking out the trunk of your Mazda CX 7 closes badly, it means that you have moved it too far, duplicate the process by pushing the striker less.
Noise in my trunk Mazda CX 7 : Rivet following plate swap in the trunk/ bumper
Finally, one of the last possibilities. It is that following a license plate swap you were unfortunate and that a piece of rivet fell backside your plate. Indeed, when a plate replacement is done, to take off the old one the process used is to drill the existing rivets in order to put out 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 induce an annoying noise. To check that it is this problem you are experiencing, and that you have a trunk noise on your Mazda CX 7 linked to a rivet, you will need to verify that it is in the tailgate open it and stir it to distinguish the noise. If this is your case, 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 disturbing case, you will have to take off the bumper to remove the bits of rivet that are running around.
