It is never pleasant to discover a sound you don’t know about, and which will arrive from your car. So, what if you find an exhaust noise that is persistant on your Fiat Stilo? It is highly possible that this is a minimal problem, however, before being sure, it is better to execute some checks. Our team has made this to support you solve it. First, we will look at the possible causes if you have a muffled exhaust sound on your Fiat Stilo and second, if you have a metallic rattling noise on your Fiat Stilo.
Muffled exhaust noise Fiat Stilo
Exhaust pipe with holes Fiat Stilo
Having a muffled sound from its exhaust is not insignificant and can end in over-consumption, or a malfunction of the car engine, which could eventually become dirty, for example. If you have an exhaust noise on your Fiat Stilo, it is possible that it is due to a hole in the exhaust pipe, this is the most classic reason. In order to verify this, position a friend or relative under the running motor car and accelerate to help them identify 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 Fiat Stilo
The other possibility of being subjected to a muffled exhaust noise on Fiat Stilo 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 cause an exhaust gas leak in places not intended for this goal. These fumes will then make a loud noise. Same technique as above, we go under the Fiat Stilo to discover the problem region, and tighten or swap the bolts. If you hear a muffled sound but after examining it doesn’t seem to come from the pot itself, consider having a look at this document which gives answers gives solutions about rear end noises on Fiat Stilo.
Metal rattling exhaust sound Fiat Stilo
Damaged exhaust muffler noise Fiat Stilo
If, alternatively, you are exposed to an exhaust sound that is more of a metallic type, it is possible that one or more parts of your exhaust may be destroyed. Indeed, it is possible that either your baffles, the catalyst or the silencer are the cause of this noise. To be sure, go under your Fiat Stilo, cold, and tap each of the previously stated parts with a hammer to discover 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 out of date catalyst, it will be necessary to consider changing it, as well as the silencer. In this case, to stop the exhaust noise on your Fiat Stilo, you will either have to find a resale one and do it yourself, or go to your technician.
Metal rattling exhaust noise Fiat Stilo : Silentblock, loose pot
Finally, a metallic exhaust noise on your Fiat Stilo may be connected to a poor attachment of your exhaust to your car. Indeed, after some time, vibrations, the pot fasteners on the car 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 unit, 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 replaced.
