It is never pleasing to listen to a sound you don’t know about, and which results from your car. So, what if you notice an exhaust noise that persists on your Opel Vivaro? It is highly possible that this is a minimal issue, however, before being sure, it is better to conduct some checks. Our team has produced this to help you fix it. First, we will look at the possible reasons if you have a muffled exhaust sound on your Opel Vivaro and second, if you have a metallic rattling noise on your Opel Vivaro.
Muffled exhaust noise Opel Vivaro
Exhaust pipe with holes Opel Vivaro
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 after a while become dirty, for example. If you have an exhaust noise on your Opel Vivaro, it is possible that it is due to a hole in the exhaust pipe, this is the most typical explanation. In order to confirm this, position someone under the running motor car and accelerate to help them locate the starting point 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 changed.
Element dislocated exhaust pipe Opel Vivaro
The other possibility of being confronted with a muffled exhaust noise on Opel Vivaro is to have a part of the exhaust unit that has dislocated as a consequence of vibrations for example. Indeed some junctions of the different parts of the pot can loosen after some time 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 Opel Vivaro to identify the issue region, 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 taking a look at this document which gives answers gives solutions about rear end noises on Opel Vivaro.
Metal rattling exhaust sound Opel Vivaro
Damaged exhaust muffler noise Opel Vivaro
If, on the other hand, you are exposed 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 broken. Indeed, it is plausible that either your baffles, the catalyst or the silencer are the cause of this noise. To be certain, go under your Opel Vivaro, cold, and tap each of the previously stated parts with a hammer to identify 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 Opel Vivaro, you will either have to find a resale one and do it yourself, or go to your technician.
Metal rattling exhaust noise Opel Vivaro : Silentblock, loose pot
Finally, a metallic exhaust noise on your Opel Vivaro may be in connection with a poor attachment of your exhaust to your car. Indeed, over the years, vibrations, the pot fasteners on the car 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 reacts. 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 changed.
