It is rarely pleasant to listen to a sound you don’t know about, and which will arrive from your car. Thus, what if you discover an exhaust noise that continues on your Volkswagen Transporter 4? It is highly probable that this is a minor issue, however, before being sure, it is better to execute some verifications. Our team has made this to help you solve it. First, we will look at the possible causes if you have a muffled exhaust sound on your Volkswagen Transporter 4 and second, if you have a metallic rattling noise on your Volkswagen Transporter 4.
Muffled exhaust noise Volkswagen Transporter 4
Exhaust pipe with holes Volkswagen Transporter 4
Having a muffled sound from its exhaust is not insignificant and can cause over-consumption, or a malfunction of the engine unit, which could in time become dirty, for example. If you have an exhaust noise on your Volkswagen Transporter 4, it is plausible that it is due to a crack in the exhaust pipe, this is the most common explanation. In order to verify this, situate somebody under the running motor car and accelerate to help them identify the origin of the hole. Once identified, 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 Transporter 4
The other possibility of being suffering from a muffled exhaust noise on Volkswagen Transporter 4 is to have a part of the exhaust system that has dislocated resulting from vibrations for example. Indeed some junctions of the different parts of the pot can loosen over time and generate 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 Transporter 4 to define the issue location, and tighten or change the bolts. If you hear a muffled sound but after verifying 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 Volkswagen Transporter 4.
Metal rattling exhaust sound Volkswagen Transporter 4
Damaged exhaust muffler noise Volkswagen Transporter 4
If, on the other hand, you are subject to an exhaust sound that is more of a metallic type, it is plausible that one or more parts of your exhaust may be broken. Indeed, it is possible that either your baffles, the catalyst or the silencer are the induce of this noise. To be certain, go under your Volkswagen Transporter 4, 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 Volkswagen Transporter 4, you will either have to find a resale one and do it yourself, or go to your auto mechanic.
Metal rattling exhaust noise Volkswagen Transporter 4 : Silentblock, loose pot
Finally, a metallic exhaust noise on your Volkswagen Transporter 4 may be connected to a poor attachment of your exhaust to your car. Indeed, over time, vibrations, the pot fasteners on the car 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 motor, 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 swapped.
