It is rarely pleasing to hear a sound you don’t know about, and which will arrive from your car. So, what if you detect an exhaust noise that persists on your GMC Acadia? It is highly probable that this is a small issue, however, before being sure, it is better to conduct some investigations. Our team has created this to help you solve it. First, we will look at the possible reasons if you have a muffled exhaust sound on your GMC Acadia and second, if you have a metallic rattling noise on your GMC Acadia.
Muffled exhaust noise GMC Acadia
Exhaust pipe with holes GMC Acadia
Having a muffled sound from its exhaust is not insignificant and can end in over-consumption, or a malfunction of the car engine, which could eventually become dirty, for example. If you have an exhaust noise on your GMC Acadia, it is plausible that it is due to a hole in the exhaust pipe, this is the most usual cause. In order to verify this, position someone under the running motor automobile and accelerate to help them recognize the starting point of the hole. Once identified, if it is not too large you can cold seal it with specific metallic mastic type legs. Otherwise, the section will have to be changed.
Element dislocated exhaust pipe GMC Acadia
The other possibility of being the subject of a muffled exhaust noise on GMC Acadia is to have a part of the exhaust device that has dislocated caused by vibrations for example. In fact some junctions of the different parts of the pot can loosen with time and generate an exhaust gas leak in places not intended for this goal. These fumes will then make a loud noise. Same technique as above, we go under the GMC Acadia to identify the issue area, and tighten or change the bolts. If you hear a muffled sound but after verifying it doesn’t seem to come from the pot itself, think about looking at this content page which gives solutions gives solutions about rear end noises on GMC Acadia.
Metal rattling exhaust sound GMC Acadia
Damaged exhaust muffler noise GMC Acadia
If, on the other hand, you are exposed to an exhaust sound that is more of a metallic type of, it is plausible that one or more parts of your exhaust may be broken. Indeed, it is possible that either your baffles, the catalyst or the silencer are the cause of this noise. To confirm, go under your GMC Acadia, cold, and tap each of the previously stated parts with a hammer to identify the source of the noise. You should move things between things in the problematic part, if they are baffles, you can try to push the section a little bit to try to block them and thus limit their movements. If it is a dead catalyst, it will be necessary to consider changing it, as well as the silencer. In this case, to stop the exhaust noise on your GMC Acadia, you will either have to find a resale one and do it yourself, or go to your auto mechanic.
Metal rattling exhaust noise GMC Acadia : Silentblock, loose pot
Finally, a metallic exhaust noise on your GMC Acadia may be related to a poor attachment of your exhaust to your automobile. In fact, over the years, vibrations, the pot fasteners on the automobile chassis can come off. In this case, you need to verify, when cold, that the pot holds well, to try to get it to move in different directions and watch how it behaves. Backwards there should be some play and be able to move but not too much. The closer you get to the engine motor, the more fixed it should be. Visually verify the fasteners for which you have doubts. Finally, it is possible that a silentbloc may have died . In this case it will have to be changed.
