It is never pleasant to listen to a sound you don’t know about, and which will arrive from your car. So, what if you spot an exhaust noise that remains on your Opel Insignia? It is highly probable that this is a minimal problem, however, before being sure, it is better to operate some investigations. Our team has produced this to help you resolve it. First, we will look at the possible reasons if you have a muffled exhaust sound on your Opel Insignia and second, if you have a metallic rattling noise on your Opel Insignia.exhaust-noise-opel-insignia

Muffled exhaust noise Opel Insignia

Exhaust pipe with holes Opel Insignia

Having a muffled sound from its exhaust is not insignificant and can lead to over-consumption, or a malfunction of the engine, which could in the end become dirty, for example. If you have an exhaust noise on your Opel Insignia, it is possible that it is due to a hole in the exhaust pipe, this is the most classic explanation. In order to confirm this, situate someone under the running motor automobile and accelerate to help them identify the source 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 Opel Insignia

The other possibility of being confronted with a muffled exhaust noise on Opel Insignia 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 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 Insignia to discover the problem area, 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 having a look at this article which gives solutions gives solutions about rear end noises on Opel Insignia.

Metal rattling exhaust sound Opel Insignia

Damaged exhaust muffler noise Opel Insignia

If, on the other hand, you are exposed to an exhaust sound that is more of a metallic type, it is possible that one or more parts of your exhaust may be destroyed. Indeed, it is plausible that either your baffles, the catalyst or the silencer are the induce of this noise. To be certain, go under your Opel Insignia, 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 out of date catalyst, it will be necessary to consider changing it, as well as the silencer. In this case, to stop the exhaust noise on your Opel Insignia, you will either have to find a used one and do it yourself, or go to your mechanic.

Metal rattling exhaust noise Opel Insignia : Silentblock, loose pot

Finally, a metallic exhaust noise on your Opel Insignia may be related to a poor attachment of your exhaust to your automobile. In fact, as time passes, 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 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 replaced.