It is rarely pleasant to notice a sound you don’t know about, and which comes from your car. Thus, what if you find an exhaust noise that persists on your Nissan Pathfinder? It is highly probable that this is a minor issue, however, before being sure, it is better to carry out some checks. Our team has made this to help you resolve it. First, we will look at the possible reasons if you have a muffled exhaust sound on your Nissan Pathfinder and second, if you have a metallic rattling noise on your Nissan Pathfinder.
Muffled exhaust noise Nissan Pathfinder
Exhaust pipe with holes Nissan Pathfinder
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 finally become dirty, for example. If you have an exhaust noise on your Nissan Pathfinder, 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 automobile and accelerate to help them identify the source of the hole. Once determined, 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 Nissan Pathfinder
The other possibility of being the subject of a muffled exhaust noise on Nissan Pathfinder 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 with time and generate an exhaust gas leak in places not intended for this goal. These fumes will then create a loud noise. Same technique as above, we go under the Nissan Pathfinder to determine 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, consider taking a look at this article which gives answers gives solutions about rear end noises on Nissan Pathfinder.
Metal rattling exhaust sound Nissan Pathfinder
Damaged exhaust muffler noise Nissan Pathfinder
If, alternatively, you are exposed to an exhaust sound that is more of a metallic type, it is plausible that one or more parts of your exhaust may be weakened. Indeed, it is plausible that either your baffles, the catalyst or the silencer are the cause of this noise. To be sure, go under your Nissan Pathfinder, cold, and tap each of the previously stated parts with a hammer to determine 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 out of date catalyst, it will be necessary to consider replacing it, as well as the silencer. In this case, to stop the exhaust noise on your Nissan Pathfinder, you will either have to find a used one and do it yourself, or go to your auto technician.
Metal rattling exhaust noise Nissan Pathfinder : Silentblock, loose pot
Finally, a metallic exhaust noise on your Nissan Pathfinder may be linked to a poor attachment of your exhaust to your automobile. In fact, after some time, vibrations, the pot fasteners on the automobile chassis can come off. In this case, you need to examine, 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, the more fixed it should be. Visually examine 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.
