It is rarely pleasant to hear a sound you don’t know about, and which will arrive from your car. So, what if you discover an exhaust noise that persists on your Nissan Xterra? It is highly possible that this is a minimal trouble, however, before being sure, it is better to operate some inspections. Our team has produced this to help you solve it. First, we will look at the possible causes if you have a muffled exhaust sound on your Nissan Xterra and second, if you have a metallic rattling noise on your Nissan Xterra.exhaust-noise-nissan-xterra

Muffled exhaust noise Nissan Xterra

Exhaust pipe with holes Nissan Xterra

Having a muffled sound from its exhaust is not insignificant and can end up in over-consumption, or a malfunction of the engine, which could in time become dirty, for example. If you have an exhaust noise on your Nissan Xterra, it is plausible that it is due to a hole in the exhaust pipe, this is the most typical reason. To be able to validate this, locate a friend or relative under the running motor car and accelerate to help them determine the starting point of the hole. Once found, 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 Xterra

The other possibility of being confronted with a muffled exhaust noise on Nissan Xterra is to have a part of the exhaust system that has dislocated due to vibrations for example. Indeed some junctions of the different parts of the pot can loosen over time and generate an exhaust gas leak in places not intended for this goal. These fumes will then produce a loud noise. Same technique as above, we go under the Nissan Xterra to identify the trouble place, and tighten or replace the bolts. If you hear a muffled sound but after checking it doesn’t seem to come from the pot itself, consider having a look at this content which gives solutions gives solutions about rear end noises on Nissan Xterra.

Metal rattling exhaust sound Nissan Xterra

Damaged exhaust muffler noise Nissan Xterra

If, on the other hand, you are exposed 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 injured. Indeed, it is conceivable that either your baffles, the catalyst or the silencer are the induce of this noise. To be certain, go under your Nissan Xterra, cold, and tap each of the previously stated parts with a hammer to identify the origin 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 Xterra, you will either have to find a resale one and do it yourself, or go to your technician.

Metal rattling exhaust noise Nissan Xterra : Silentblock, loose pot

Finally, a metallic exhaust noise on your Nissan Xterra may be linked to a poor attachment of your exhaust to your car. Indeed, over time, vibrations, the pot fasteners on the car 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 responds. 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.