It is rarely pleasant to find out a sound you don’t know about, and which originates from your car. So, what if you identify an exhaust noise that continues on your Chevrolet Sonic? It is highly possible that this is a minimal problem, however, before being sure, it is better to conduct some checks. Our team has written this to support you fix it. First, we will look at the possible reasons if you have a muffled exhaust sound on your Chevrolet Sonic and second, if you have a metallic rattling noise on your Chevrolet Sonic.
Muffled exhaust noise Chevrolet Sonic
Exhaust pipe with holes Chevrolet Sonic
Having a muffled sound from its exhaust is not insignificant and can cause over-consumption, or a malfunction of the car engine, which could after a while become dirty, for example. If you have an exhaust noise on your Chevrolet Sonic, it is possible that it is due to a hole in the exhaust pipe, this is the most usual reason. In order to confirm this, locate a friend or relative under the running motor automobile and accelerate to help them determine the source 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 changed.
Element dislocated exhaust pipe Chevrolet Sonic
The other possibility of being subjected to a muffled exhaust noise on Chevrolet Sonic is to have a part of the exhaust unit that has dislocated caused by vibrations for example. In fact some junctions of the different parts of the pot can loosen after some time and generate an exhaust gas leak in places not intended for this goal. These fumes will then create a loud noise. Same technique as above, we go under the Chevrolet Sonic to determine the problem region, and tighten or swap the bolts. If you hear a muffled sound but after verifying it doesn’t seem to come from the pot itself, consider looking at this content page which gives answers gives solutions about rear end noises on Chevrolet Sonic.
Metal rattling exhaust sound Chevrolet Sonic
Damaged exhaust muffler noise Chevrolet Sonic
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 broken. Indeed, it is possible that either your baffles, the catalyst or the silencer are the induce of this noise. To be certain, go under your Chevrolet Sonic, cold, and tap each of the previously stated parts with a hammer to determine 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 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 Chevrolet Sonic, you will either have to find a used one and do it yourself, or go to your auto technician.
Metal rattling exhaust noise Chevrolet Sonic : Silentblock, loose pot
Finally, a metallic exhaust noise on your Chevrolet Sonic may be connected to a poor attachment of your exhaust to your automobile. In fact, after some time, vibrations, the pot fasteners on the automobile 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 behaves. 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 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 changed.
