It is never 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 continues on your Nissan Navara? It is highly possible that this is a minor issue, however, before being sure, it is better to accomplish some inspections. Our team has written this to support you resolve it. First, we will look at the possible causes if you have a muffled exhaust sound on your Nissan Navara and second, if you have a metallic rattling noise on your Nissan Navara.exhaust-noise-nissan-navara

Muffled exhaust noise Nissan Navara

Exhaust pipe with holes Nissan Navara

Having a muffled sound from its exhaust is not insignificant and can end up in over-consumption, or a malfunction of the engine unit, which could eventually become dirty, for example. If you have an exhaust noise on your Nissan Navara, it is plausible that it is due to a crack in the exhaust pipe, this is the most common explanation. To be able to confirm this, locate someone under the running motor vehicle and accelerate to help them recognize 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 Navara

The other possibility of being subjected to a muffled exhaust noise on Nissan Navara is to have a part of the exhaust system that has dislocated due to vibrations for example. In fact some junctions of the different parts of the pot can loosen after some time and generate an exhaust gas leak in places not intended for this goal. These fumes will then generate a loud noise. Same technique as above, we go under the Nissan Navara to define the issue 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, think about taking a look at this document which gives answers gives solutions about rear end noises on Nissan Navara.

Metal rattling exhaust sound Nissan Navara

Damaged exhaust muffler noise Nissan Navara

If, alternatively, 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 damaged. 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 Navara, cold, and tap each of the previously stated parts with a hammer to define 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 swapping it, as well as the silencer. In this case, to stop the exhaust noise on your Nissan Navara, you will either have to find a resale one and do it yourself, or go to your auto technician.

Metal rattling exhaust noise Nissan Navara : Silentblock, loose pot

Finally, a metallic exhaust noise on your Nissan Navara may be in connection with a poor attachment of your exhaust to your vehicle. In fact, after some time, 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.