It is never pleasing to hear a sound you don’t know about, and which will arrive from your car. So, what if you spot an exhaust noise that continues on your Nissan Micra 4? It is highly possible that this is a small trouble, however, before being sure, it is better to operate some inspections. Our team has written this to help you fix it. First, we will look at the possible causes if you have a muffled exhaust sound on your Nissan Micra 4 and second, if you have a metallic rattling noise on your Nissan Micra 4.
Muffled exhaust noise Nissan Micra 4
Exhaust pipe with holes Nissan Micra 4
Having a muffled sound from its exhaust is not insignificant and can end in over-consumption, or a malfunction of the engine unit, which could in time become dirty, for example. If you have an exhaust noise on your Nissan Micra 4, it is plausible that it is due to a crack in the exhaust pipe, this is the most regular cause. In order to validate this, locate somebody under the running motor vehicle and accelerate to help them identify the source 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 replaced.
Element dislocated exhaust pipe Nissan Micra 4
The other possibility of being confronted with a muffled exhaust noise on Nissan Micra 4 is to have a part of the exhaust unit that has dislocated due to vibrations for example. Indeed 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 goal. These fumes will then generate a loud noise. Same technique as above, we go under the Nissan Micra 4 to define the trouble place, and tighten or swap the bolts. If you hear a muffled sound but after checking it doesn’t seem to come from the pot itself, think about having a look at this content which gives solutions gives solutions about rear end noises on Nissan Micra 4.
Metal rattling exhaust sound Nissan Micra 4
Damaged exhaust muffler noise Nissan Micra 4
If, on the other hand, you are subject to an exhaust sound that is more of a metallic type, it is plausible that one or more parts of your exhaust may be broken. 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 Micra 4, 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 replacing it, as well as the silencer. In this case, to stop the exhaust noise on your Nissan Micra 4, you will either have to find a resale one and do it yourself, or go to your auto mechanic.
Metal rattling exhaust noise Nissan Micra 4 : Silentblock, loose pot
Finally, a metallic exhaust noise on your Nissan Micra 4 may be related to a poor attachment of your exhaust to your vehicle. Indeed, as time passes, 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 unit, 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.
