It is never pleasant to find out a sound you don’t know about, and which will arrive from your car. Thus, what if you find an exhaust noise that continues on your Subaru Impreza? It is highly possible that this is a minor problem, however, before being sure, it is better to conduct some investigations. Our team has produced this to support you fix it. First, we will look at the possible causes if you have a muffled exhaust sound on your Subaru Impreza and second, if you have a metallic rattling noise on your Subaru Impreza.
Muffled exhaust noise Subaru Impreza
Exhaust pipe with holes Subaru Impreza
Having a muffled sound from its exhaust is not insignificant and can cause over-consumption, or a malfunction of the car engine, which could eventually become dirty, for example. If you have an exhaust noise on your Subaru Impreza, it is possible that it is due to a crack in the exhaust pipe, this is the most classic reason. To be able to verify this, situate someone under the running motor automobile and accelerate to help them discover the source 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 Subaru Impreza
The other possibility of being suffering from a muffled exhaust noise on Subaru Impreza is to have a part of the exhaust unit that has dislocated because of vibrations for example. Indeed some junctions of the different parts of the pot can loosen over time and cause an exhaust gas leak in places not intended for this purpose. These fumes will then create a loud noise. Same technique as above, we go under the Subaru Impreza to define the problem area, and tighten or replace the bolts. If you hear a muffled sound but after examining it doesn’t seem to come from the pot itself, think about having a look at this article which gives solutions gives solutions about rear end noises on Subaru Impreza.
Metal rattling exhaust sound Subaru Impreza
Damaged exhaust muffler noise Subaru Impreza
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 weakened. Indeed, it is possible that either your baffles, the catalyst or the silencer are the reason of this noise. To be sure, go under your Subaru Impreza, cold, and tap each of the previously stated parts with a hammer to define 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 Subaru Impreza, you will either have to find a resale one and do it yourself, or go to your technician.
Metal rattling exhaust noise Subaru Impreza : Silentblock, loose pot
Finally, a metallic exhaust noise on your Subaru Impreza may be related 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 check, 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 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.
