It is rarely pleasing to hear a sound you don’t know about, and which originates from your car. So, what if you discover an exhaust noise that is persistant on your Alfa Romeo Giulietta? It is highly probable that this is a small problem, however, before being sure, it is better to conduct some inspections. Our team has produced this to help you fix it. First, we will look at the possible causes if you have a muffled exhaust sound on your Alfa Romeo Giulietta and second, if you have a metallic rattling noise on your Alfa Romeo Giulietta.
Muffled exhaust noise Alfa Romeo Giulietta
Exhaust pipe with holes Alfa Romeo Giulietta
Having a muffled sound from its exhaust is not insignificant and can end up 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 Alfa Romeo Giulietta, it is plausible that it is due to a hole in the exhaust pipe, this is the most usual cause. To be able to verify this, position someone under the running motor car and accelerate to help them recognize 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 Alfa Romeo Giulietta
The other possibility of being the subject of a muffled exhaust noise on Alfa Romeo Giulietta is to have a part of the exhaust system that has dislocated resulting from vibrations for example. In fact 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 purpose. These fumes will then make a loud noise. Same technique as above, we go under the Alfa Romeo Giulietta to define 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, consider having a look at this document which gives solutions gives solutions about rear end noises on Alfa Romeo Giulietta.
Metal rattling exhaust sound Alfa Romeo Giulietta
Damaged exhaust muffler noise Alfa Romeo Giulietta
If, on the other hand, you are subject to an exhaust sound that is more of a metallic sort of, it is plausible 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 induce of this noise. To be sure, go under your Alfa Romeo Giulietta, 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 replacing it, as well as the silencer. In this case, to stop the exhaust noise on your Alfa Romeo Giulietta, you will either have to find a second hand one and do it yourself, or go to your auto technician.
Metal rattling exhaust noise Alfa Romeo Giulietta : Silentblock, loose pot
Finally, a metallic exhaust noise on your Alfa Romeo Giulietta may be related to 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 responds. 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 replaced.
