It is rarely pleasant to hear a sound you don’t know about, and which originates from your car. So, what if you notice an exhaust noise that remains on your Opel Zafira 3? It is highly possible that this is a minimal problem, however, before being sure, it is better to execute some verifications. Our team has produced this to support you fix it. First, we will look at the possible causes if you have a muffled exhaust sound on your Opel Zafira 3 and second, if you have a metallic rattling noise on your Opel Zafira 3.
Muffled exhaust noise Opel Zafira 3
Exhaust pipe with holes Opel Zafira 3
Having a muffled sound from its exhaust is not insignificant and can cause over-consumption, or a malfunction of the car engine, which could in the end become dirty, for example. If you have an exhaust noise on your Opel Zafira 3, it is plausible that it is due to a hole in the exhaust pipe, this is the most usual cause. To be able to confirm this, position somebody under the running motor automobile and accelerate to help them determine the starting point of the hole. Once located, 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 Zafira 3
The other possibility of being suffering from a muffled exhaust noise on Opel Zafira 3 is to have a part of the exhaust system that has dislocated due to vibrations for example. Indeed some junctions of the different parts of the pot can loosen over time and cause an exhaust gas leak in places not intended for this goal. These fumes will then produce a loud noise. Same technique as above, we go under the Opel Zafira 3 to discover the problem region, and tighten or swap the bolts. If you hear a muffled sound but after checking it doesn’t seem to come from the pot itself, think about looking at this content page which gives answers gives solutions about rear end noises on Opel Zafira 3.
Metal rattling exhaust sound Opel Zafira 3
Damaged exhaust muffler noise Opel Zafira 3
If, alternatively, you are subject to an exhaust sound that is more of a metallic type of, it is plausible that one or more parts of your exhaust may be weakened. Indeed, it is plausible that either your baffles, the catalyst or the silencer are the reason of this noise. To confirm, go under your Opel Zafira 3, 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 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 Zafira 3, you will either have to find a resale one and do it yourself, or go to your mechanic.
Metal rattling exhaust noise Opel Zafira 3 : Silentblock, loose pot
Finally, a metallic exhaust noise on your Opel Zafira 3 may be connected 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 verify, 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, 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.
