If you pay attention to a noise on your car, you are right to be attentive of it and take it seriously, although it is possible that nothing serious will happen, it is also possible that it is the sign of a more significant repair. A noise that occurs in the trunk of your Mercury Grand Marquis is thankfully more a sign of a small adjustment or repair, rather than a complicated one. To support you in your research, we have decided to generate this content page to present you with the most likely solutions to your trouble. First we will see that this trunk noise on your Mercury Grand Marquis can come from accumulated 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 Mercury Grand Marquis : Accumulated dirt that triggers poor closing
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We will therefore begin with a trunk noise on your Mercury Grand Marquis triggered by dirt accumulated on your joints, lock for example. Indeed, it is possible that on a car 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 builds up at the trunk gasket. This trouble triggers a poor closure of the trunk and a noise that can sound like a crack. To examine if you are in this situation, open the trunk of your Mercury Grand Marquis, examine 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 possible however that you have a trunk noise on your Mercury Grand Marquis that is related to other sources such as shock absorbers, do not hesitate to read this content page on the noises at the back of a Mercury Grand Marquis.
Noise in the trunk of my Mercury Grand Marquis : 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 Mercury Grand Marquis is very frequently related to this trouble. Several solutions are available to you according to the level of play you have with your lock. The first is that oftentimes the offset is minimal and a simple greasing of the mechanism with thick grease is appropriate to solve the trouble. Secondly, it is also possible that you really have a lot of play on your lock and that each time the trunk “jumps”, in which case you would have to strip off the cover that enables access to the lock (inside the trunk). Then, using torx screws, you unscrew the striker attached to the threshold, simply push it back a little towards the inside of the trunk and tighten it again. Be sure you examine the centering of the striker in connection with the trunk lock. If after verifying the trunk of your Mercury Grand Marquis closes badly, it means that you have moved it too far, duplicate the process by pushing the striker less.
Noise in my trunk Mercury Grand Marquis : 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 behind your plate. Indeed, when a plate swap is done, to remove the old one the strategy used is to drill the existing rivets in order to released 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 Mercury Grand Marquis linked to a rivet, you will need to examine that it is in the tailgate open it and stir it to specify 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 unpleasant case, you will have to remove the bumper to remove the bits of rivet that are running around.
