It is rarely pleasing to hear a sound you don’t know about, and which will arrive from your car. So, what if you find an exhaust noise that continues on your Nissan Almera? It is highly possible that this is a minimal issue, however, before being sure, it is better to operate some checks. Our team has created this to help you fix it. First, we will look at the possible causes if you have a muffled exhaust sound on your Nissan Almera and second, if you have a metallic rattling noise on your Nissan Almera.
Muffled exhaust noise Nissan Almera
Exhaust pipe with holes Nissan Almera
Having a muffled sound from its exhaust is not insignificant and can lead to over-consumption, or a malfunction of the engine unit, which could after a while become dirty, for example. If you have an exhaust noise on your Nissan Almera, it is possible that it is due to a crack in the exhaust pipe, this is the most classic cause. In order to confirm this, position a friend or relative under the running motor vehicle and accelerate to help them identify the origin 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 Almera
The other possibility of being the subject of a muffled exhaust noise on Nissan Almera is to have a part of the exhaust system that has dislocated because of vibrations for example. In fact some junctions of the different parts of the pot can loosen after a while and generate 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 Almera to identify the issue region, 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 taking a look at this content which gives solutions gives solutions about rear end noises on Nissan Almera.
Metal rattling exhaust sound Nissan Almera
Damaged exhaust muffler noise Nissan Almera
If, alternatively, you are exposed to an exhaust sound that is more of a metallic sort 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 induce of this noise. To confirm, go under your Nissan Almera, cold, and tap each of the previously stated parts with a hammer to identify 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 Almera, you will either have to find a second hand one and do it yourself, or go to your technician.
Metal rattling exhaust noise Nissan Almera : Silentblock, loose pot
Finally, a metallic exhaust noise on your Nissan Almera may be connected 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 changed.
