It is never pleasant to find out a sound you don’t know about, and which results from your car. So, what if you notice an exhaust noise that persists on your Hyundai Sonata? It is highly possible that this is a minor problem, however, before being sure, it is better to carry out some checks. Our team has made this to support you fix it. First, we will look at the possible reasons if you have a muffled exhaust sound on your Hyundai Sonata and second, if you have a metallic rattling noise on your Hyundai Sonata.
Muffled exhaust noise Hyundai Sonata
Exhaust pipe with holes Hyundai Sonata
Having a muffled sound from its exhaust is not insignificant and can cause 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 Hyundai Sonata, it is possible that it is due to a crack in the exhaust pipe, this is the most regular reason. In order to validate this, position someone under the running motor automobile and accelerate to help them recognize the source of the hole. Once located, 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 Hyundai Sonata
The other possibility of being suffering from a muffled exhaust noise on Hyundai Sonata is to have a part of the exhaust system that has dislocated resulting from vibrations for example. Indeed 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 purpose. These fumes will then produce a loud noise. Same technique as above, we go under the Hyundai Sonata to discern the problem area, 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 taking a look at this content which gives answers gives solutions about rear end noises on Hyundai Sonata.
Metal rattling exhaust sound Hyundai Sonata
Damaged exhaust muffler noise Hyundai Sonata
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 damaged. Indeed, it is possible that either your baffles, the catalyst or the silencer are the reason of this noise. To make sure, go under your Hyundai Sonata, 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 dead catalyst, it will be necessary to consider swapping it, as well as the silencer. In this case, to stop the exhaust noise on your Hyundai Sonata, you will either have to find a second hand one and do it yourself, or go to your mechanic.
Metal rattling exhaust noise Hyundai Sonata : Silentblock, loose pot
Finally, a metallic exhaust noise on your Hyundai Sonata may be connected to a poor attachment of your exhaust to your automobile. Indeed, after some time, vibrations, the pot fasteners on the automobile 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, 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.
