It is never pleasant to find out a sound you don’t know about, and which comes from your car. Thus, what if you discover an exhaust noise that is persistant on your Nissan Maxima? It is highly possible that this is a minimal trouble, however, before being sure, it is better to accomplish some inspections. Our team has produced this to support you resolve it. First, we will look at the possible causes if you have a muffled exhaust sound on your Nissan Maxima and second, if you have a metallic rattling noise on your Nissan Maxima.
Muffled exhaust noise Nissan Maxima
Exhaust pipe with holes Nissan Maxima
Having a muffled sound from its exhaust is not insignificant and can end in over-consumption, or a malfunction of the engine, which could after a while become dirty, for example. If you have an exhaust noise on your Nissan Maxima, it is possible that it is due to a hole in the exhaust pipe, this is the most regular cause. To be able to confirm this, situate somebody under the running motor vehicle and accelerate to help them discover the origin 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 Maxima
The other possibility of being suffering from a muffled exhaust noise on Nissan Maxima is to have a part of the exhaust device that has dislocated caused by vibrations for example. In fact some junctions of the different parts of the pot can loosen along with 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 Maxima to identify the trouble area, and tighten or replace the bolts. If you hear a muffled sound but after examining it doesn’t seem to come from the pot itself, consider having a look at this content which gives answers gives solutions about rear end noises on Nissan Maxima.
Metal rattling exhaust sound Nissan Maxima
Damaged exhaust muffler noise Nissan Maxima
If, on the other hand, you are subject 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 injured. 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 Maxima, 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 out of date 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 Maxima, you will either have to find a used one and do it yourself, or go to your technician.
Metal rattling exhaust noise Nissan Maxima : Silentblock, loose pot
Finally, a metallic exhaust noise on your Nissan Maxima 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 verify, 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 verify 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.
