It is rarely pleasing to find out a sound you don’t know about, and which will arrive from your car. Thus, what if you notice an exhaust noise that persists on your Mazda 6? It is highly possible that this is a minor problem, however, before being sure, it is better to accomplish some verifications. Our team has written this to support you resolve it. First, we will look at the possible causes if you have a muffled exhaust sound on your Mazda 6 and second, if you have a metallic rattling noise on your Mazda 6.
Muffled exhaust noise Mazda 6
Exhaust pipe with holes Mazda 6
Having a muffled sound from its exhaust is not insignificant and can end up in over-consumption, or a malfunction of the engine unit, which could eventually become dirty, for example. If you have an exhaust noise on your Mazda 6, it is possible that it is due to a hole in the exhaust pipe, this is the most common explanation. To be able to validate this, situate somebody under the running motor car and accelerate to help them discover the starting point 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 Mazda 6
The other possibility of being suffering from a muffled exhaust noise on Mazda 6 is to have a part of the exhaust device that has dislocated because of vibrations for example. Indeed some junctions of the different parts of the pot can loosen over time 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 Mazda 6 to discern the problem 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 looking at this content page which gives solutions gives solutions about rear end noises on Mazda 6.
Metal rattling exhaust sound Mazda 6
Damaged exhaust muffler noise Mazda 6
If, alternatively, 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 injured. Indeed, it is possible that either your baffles, the catalyst or the silencer are the reason of this noise. To be certain, go under your Mazda 6, cold, and tap each of the previously stated parts with a hammer to discern 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 swapping it, as well as the silencer. In this case, to stop the exhaust noise on your Mazda 6, you will either have to find a used one and do it yourself, or go to your auto technician.
Metal rattling exhaust noise Mazda 6 : Silentblock, loose pot
Finally, a metallic exhaust noise on your Mazda 6 may be related to a poor attachment of your exhaust to your car. Indeed, over the years, vibrations, the pot fasteners on the car chassis can come off. In this case, you need to check, 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 unit, the more fixed it should be. Visually check 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.
