It is rarely pleasing to discover a sound you don’t know about, and which originates from your car. So, what if you spot an exhaust noise that persists on your Volkswagen Passat 8? It is highly possible that this is a minor trouble, however, before being sure, it is better to carry out some inspections. 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 Volkswagen Passat 8 and second, if you have a metallic rattling noise on your Volkswagen Passat 8.
Muffled exhaust noise Volkswagen Passat 8
Exhaust pipe with holes Volkswagen Passat 8
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 in time become dirty, for example. If you have an exhaust noise on your Volkswagen Passat 8, it is plausible that it is due to a hole in the exhaust pipe, this is the most common reason. In order to confirm this, locate a friend or relative under the running motor automobile and accelerate to help them locate the origin of the hole. Once found, 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 Volkswagen Passat 8
The other possibility of being the subject of a muffled exhaust noise on Volkswagen Passat 8 is to have a part of the exhaust device that has dislocated resulting from vibrations for example. In fact some junctions of the different parts of the pot can loosen with time and generate an exhaust gas leak in places not intended for this purpose. These fumes will then generate a loud noise. Same technique as above, we go under the Volkswagen Passat 8 to discover the trouble location, 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, think about looking at this content which gives answers gives solutions about rear end noises on Volkswagen Passat 8.
Metal rattling exhaust sound Volkswagen Passat 8
Damaged exhaust muffler noise Volkswagen Passat 8
If, alternatively, you are exposed to an exhaust sound that is more of a metallic type, it is plausible 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 confirm, go under your Volkswagen Passat 8, 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 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 Volkswagen Passat 8, you will either have to find a second hand one and do it yourself, or go to your mechanic.
Metal rattling exhaust noise Volkswagen Passat 8 : Silentblock, loose pot
Finally, a metallic exhaust noise on your Volkswagen Passat 8 may be in connection with a poor attachment of your exhaust to your automobile. In fact, over the years, 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 responds. 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 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.
