It is never pleasing to discover a sound you don’t know about, and which originates from your car. So, what if you notice an exhaust noise that persists on your Fiat 500 L? It is highly possible that this is a minor issue, however, before being sure, it is better to operate some checks. Our team has made this to support you fix it. First, we will look at the possible causes if you have a muffled exhaust sound on your Fiat 500 L and second, if you have a metallic rattling noise on your Fiat 500 L.exhaust-noise-fiat-500-l

Muffled exhaust noise Fiat 500 L

Exhaust pipe with holes Fiat 500 L

Having a muffled sound from its exhaust is not insignificant and can cause over-consumption, or a malfunction of the engine, which could finally become dirty, for example. If you have an exhaust noise on your Fiat 500 L, it is possible that it is due to a crack in the exhaust pipe, this is the most classic reason. In order to validate this, situate someone under the running motor car and accelerate to help them find 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 swapped.

Element dislocated exhaust pipe Fiat 500 L

The other possibility of being subjected to a muffled exhaust noise on Fiat 500 L is to have a part of the exhaust unit that has dislocated resulting from vibrations for example. In fact 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 make a loud noise. Same technique as above, we go under the Fiat 500 L to define the issue region, 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, consider looking at this article which gives solutions gives solutions about rear end noises on Fiat 500 L.

Metal rattling exhaust sound Fiat 500 L

Damaged exhaust muffler noise Fiat 500 L

If, alternatively, you are subject to an exhaust sound that is more of a metallic type, 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 reason of this noise. To be sure, go under your Fiat 500 L, 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 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 Fiat 500 L, you will either have to find a second hand one and do it yourself, or go to your mechanic.

Metal rattling exhaust noise Fiat 500 L : Silentblock, loose pot

Finally, a metallic exhaust noise on your Fiat 500 L may be in connection with a poor attachment of your exhaust to your car. In fact, over time, 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 motor, 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 swapped.