It is rarely pleasing to perceive a sound you don’t know about, and which comes from your car. Thus, what if you identify an exhaust noise that is persistant on your Nissan Armada? It is highly possible that this is a minor problem, however, before being sure, it is better to conduct some investigations. Our team has produced this to help you solve it. First, we will look at the possible reasons if you have a muffled exhaust sound on your Nissan Armada and second, if you have a metallic rattling noise on your Nissan Armada.
Muffled exhaust noise Nissan Armada
Exhaust pipe with holes Nissan Armada
Having a muffled sound from its exhaust is not insignificant and can end in over-consumption, or a malfunction of the engine, which could in the end become dirty, for example. If you have an exhaust noise on your Nissan Armada, it is plausible that it is due to a hole in the exhaust pipe, this is the most classic reason. In order to validate this, position someone under the running motor vehicle and accelerate to help them find the source of the hole. Once located, if it is not too large you can cold seal it with specific metallic mastic type legs. Otherwise, the section will have to be swapped.
Element dislocated exhaust pipe Nissan Armada
The other possibility of being suffering from a muffled exhaust noise on Nissan Armada is to have a part of the exhaust unit that has dislocated as a consequence of vibrations for example. In fact some junctions of the different parts of the pot can loosen along with time and cause 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 Nissan Armada to identify the problem location, and tighten or swap the bolts. If you hear a muffled sound but after examining it doesn’t seem to come from the pot itself, consider taking a look at this document which gives answers gives solutions about rear end noises on Nissan Armada.
Metal rattling exhaust sound Nissan Armada
Damaged exhaust muffler noise Nissan Armada
If, alternatively, you are subject to an exhaust sound that is more of a metallic sort of, it is plausible that one or more parts of your exhaust may be destroyed. Indeed, it is conceivable that either your baffles, the catalyst or the silencer are the induce of this noise. To confirm, go under your Nissan Armada, 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 Nissan Armada, you will either have to find a resale one and do it yourself, or go to your technician.
Metal rattling exhaust noise Nissan Armada : Silentblock, loose pot
Finally, a metallic exhaust noise on your Nissan Armada may be related to a poor attachment of your exhaust to your vehicle. In fact, over the years, vibrations, the pot fasteners on the vehicle chassis can come off. In this case, you need to check, when cold, that the pot holds well, to try to get it to move in different directions and watch how it reacts. Backwards there should be some play and be able to move but not too much. The closer you get to the engine unit, the more fixed it should be. Visually check 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 swapped.
