It is rarely pleasant to discover a sound you don’t know about, and which originates from your car. So, what if you discover an exhaust noise that continues on your Volkswagen Jetta? It is highly possible that this is a minor problem, however, before being sure, it is better to operate some checks. Our team has written this to support you solve it. First, we will look at the possible causes if you have a muffled exhaust sound on your Volkswagen Jetta and second, if you have a metallic rattling noise on your Volkswagen Jetta.
Muffled exhaust noise Volkswagen Jetta
Exhaust pipe with holes Volkswagen Jetta
Having a muffled sound from its exhaust is not insignificant and can lead to over-consumption, or a malfunction of the engine unit, which could eventually become dirty, for example. If you have an exhaust noise on your Volkswagen Jetta, it is plausible that it is due to a hole in the exhaust pipe, this is the most usual reason. In order to verify this, locate somebody 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 swapped.
Element dislocated exhaust pipe Volkswagen Jetta
The other possibility of being confronted with a muffled exhaust noise on Volkswagen Jetta 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 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 Volkswagen Jetta to discover the problem 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 having a look at this document which gives solutions gives solutions about rear end noises on Volkswagen Jetta.
Metal rattling exhaust sound Volkswagen Jetta
Damaged exhaust muffler noise Volkswagen Jetta
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 destroyed. Indeed, it is possible that either your baffles, the catalyst or the silencer are the reason of this noise. To confirm, go under your Volkswagen Jetta, 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 changing it, as well as the silencer. In this case, to stop the exhaust noise on your Volkswagen Jetta, you will either have to find a resale one and do it yourself, or go to your auto mechanic.
Metal rattling exhaust noise Volkswagen Jetta : Silentblock, loose pot
Finally, a metallic exhaust noise on your Volkswagen Jetta may be linked to a poor attachment of your exhaust to your automobile. Indeed, over the years, vibrations, the pot fasteners on the automobile chassis can come off. In this case, you need to examine, 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 examine 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.
