If you notice a noise on your car, you are right to be careful of it and take it seriously, although it is plausible that nothing major will happen, it is also plausible that it is the indication of a more important repair. A noise that occurs in the trunk of your Buick LaCrosse is fortunately more a sign of a small correction or service, rather than a complicated one. To support you in your research, we have chosen to produce this content page to present you with the most likely solutions to your trouble. First we will see that this trunk noise on your Buick LaCrosse 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 Buick LaCrosse : Accumulated dirt that triggers poor closing
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We will therefore start with a trunk noise on your Buick LaCrosse caused by dirt accumulated on your joints, lock for example. In fact, it is plausible that on a car 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 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 check if you are in this circumstance, open the trunk of your Buick LaCrosse, examine the condition 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 plausible however that you have a trunk noise on your Buick LaCrosse that is connected to other sources such as shock absorbers, do not hesitate to read this content page on the noises at the back of a Buick LaCrosse.
Noise in the trunk of my Buick LaCrosse : 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. In fact, knowing a trunk noise on your Buick LaCrosse is very frequently connected to this trouble. Several solutions are available to you subject 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 case you would have to strip off the cover that will allow 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. Make sure to check the centering of the striker in regards to the trunk lock. If after checking out the trunk of your Buick LaCrosse closes badly, it means that you have moved it too far, duplicate the process by pushing the striker less.
Noise in my trunk Buick LaCrosse : 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. In fact, when a plate change is done, to remove the old one the process used is to drill the existing rivets to be able to put out the license plate. Unfortunately, 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 create an annoying noise. To check that it is this problem you are experiencing, and that you have a trunk noise on your Buick LaCrosse linked to a rivet, you will need to check that it is in the tailgate open it and stir it to discern the noise. If this is your case, you will have to take out 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 remove the bumper to remove the bits of rivet that are running around.
