It is rarely pleasing to find out a sound you don’t know about, and which originates from your car. Thus, what if you discover an exhaust noise that continues on your Volkswagen Passat 7? It is highly possible that this is a minimal problem, however, before being sure, it is better to carry out some verifications. Our team has made this to help you fix it. First, we will look at the possible reasons if you have a muffled exhaust sound on your Volkswagen Passat 7 and second, if you have a metallic rattling noise on your Volkswagen Passat 7.
Muffled exhaust noise Volkswagen Passat 7
Exhaust pipe with holes Volkswagen Passat 7
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 in time become dirty, for example. If you have an exhaust noise on your Volkswagen Passat 7, it is plausible that it is due to a crack in the exhaust pipe, this is the most regular explanation. In order to verify this, situate somebody under the running motor automobile and accelerate to help them recognize the source 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 changed.
Element dislocated exhaust pipe Volkswagen Passat 7
The other possibility of being confronted with a muffled exhaust noise on Volkswagen Passat 7 is to have a part of the exhaust unit that has dislocated caused by vibrations for example. In fact some junctions of the different parts of the pot can loosen after a while and cause an exhaust gas leak in places not intended for this goal. These fumes will then create a loud noise. Same technique as above, we go under the Volkswagen Passat 7 to discover the problem region, and tighten or change the bolts. If you hear a muffled sound but after checking it doesn’t seem to come from the pot itself, think about taking a look at this content page which gives solutions gives solutions about rear end noises on Volkswagen Passat 7.
Metal rattling exhaust sound Volkswagen Passat 7
Damaged exhaust muffler noise Volkswagen Passat 7
If, alternatively, you are exposed 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 damaged. Indeed, it is conceivable that either your baffles, the catalyst or the silencer are the induce of this noise. To confirm, go under your Volkswagen Passat 7, cold, and tap each of the previously stated parts with a hammer to discover 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 dead catalyst, it will be necessary to consider replacing it, as well as the silencer. In this case, to stop the exhaust noise on your Volkswagen Passat 7, you will either have to find a second hand one and do it yourself, or go to your auto mechanic.
Metal rattling exhaust noise Volkswagen Passat 7 : Silentblock, loose pot
Finally, a metallic exhaust noise on your Volkswagen Passat 7 may be in connection with a poor attachment of your exhaust to your automobile. In fact, after some time, 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 behaves. 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 changed.
