It is never pleasing 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 is persistant on your Nissan NV? It is highly possible that this is a minimal problem, however, before being sure, it is better to carry out some verifications. Our team has written this to support you fix it. First, we will look at the possible reasons if you have a muffled exhaust sound on your Nissan NV and second, if you have a metallic rattling noise on your Nissan NV.
Muffled exhaust noise Nissan NV
Exhaust pipe with holes Nissan NV
Having a muffled sound from its exhaust is not insignificant and can end up in over-consumption, or a malfunction of the car engine, which could in time become dirty, for example. If you have an exhaust noise on your Nissan NV, it is possible that it is due to a hole in the exhaust pipe, this is the most usual cause. In order to validate this, position a friend or relative under the running motor vehicle and accelerate to help them determine the source of the hole. Once discovered, if it is not too large you can cold seal it with specific metallic mastic type legs. Otherwise, the section will have to be replaced.
Element dislocated exhaust pipe Nissan NV
The other possibility of being suffering from a muffled exhaust noise on Nissan NV is to have a part of the exhaust device that has dislocated due to vibrations for example. In fact some junctions of the different parts of the pot can loosen after a while and cause an exhaust gas leak in places not intended for this purpose. These fumes will then generate a loud noise. Same technique as above, we go under the Nissan NV to discover the problem place, and tighten or change the bolts. If you hear a muffled sound but after examining 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 Nissan NV.
Metal rattling exhaust sound Nissan NV
Damaged exhaust muffler noise Nissan NV
If, on the other hand, you are exposed to an exhaust sound that is more of a metallic type of, it is possible 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 confirm, go under your Nissan NV, cold, and tap each of the previously stated parts with a hammer to discover 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 replacing it, as well as the silencer. In this case, to stop the exhaust noise on your Nissan NV, you will either have to find a resale one and do it yourself, or go to your technician.
Metal rattling exhaust noise Nissan NV : Silentblock, loose pot
Finally, a metallic exhaust noise on your Nissan NV may be linked to a poor attachment of your exhaust to your vehicle. In fact, over time, vibrations, the pot fasteners on the vehicle 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 reacts. 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 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 replaced.
