If you identify a noise on your vehicle, you are right to be aware of it and take it seriously, although it is plausible that nothing major will result, it is also plausible that it is the indication of a more critical fix. A noise that happens in the trunk of your GMC Yukon is luckily more a indicator of a small manipulation or restoration, rather than a complicated one. To support you in your research, we have decided to write this content to present you with the most likely solutions to your trouble. First we will see that this trunk noise on your GMC Yukon 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 GMC Yukon : Accumulated dirt that triggers poor closing
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We will therefore begin with a trunk noise on your GMC Yukon triggered 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 top priority or that the roads used are not very clean that dirt accumulates 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 situation, open the trunk of your GMC Yukon, verify 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 impact. 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 GMC Yukon that is connected to other sources such as shock absorbers, do not hesitate to read this content on the noises at the back of a GMC Yukon.
Noise in the trunk of my GMC Yukon : Loose lock, clicking noise
Second probability, you may also, over time, experience a locking system that became loose. And this is one of the most potential possibilities. Indeed, knowing a trunk noise on your GMC Yukon is very often connected to this trouble. Several solutions are available to you depending on the level of play you have with your lock. The first is that occasionally the offset is minimal and a simple greasing of the system with thick grease is enough to solve the trouble. 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 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. Remember to verify the centering of the striker in regards to the trunk lock. If after verifying the trunk of your GMC Yukon closes badly, it means that you have moved it too far, replicate the procedure by pushing the striker less.
Noise in my trunk GMC Yukon : Rivet following plate swap in the trunk/ bumper
Finally, one of the last possibilities. It is that following a license plate swap you were unlucky and that a piece of rivet fell behind your plate. Indeed, when a plate change is done, to take off the old one the technique used is to drill the existing rivets to be able to released 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 generate an annoying noise. To check that it is this problem you are experiencing, and that you have a trunk noise on your GMC Yukon linked to a rivet, you will need to verify 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 embarrassing case, you will have to take off the bumper to remove the bits of rivet that are running around.
