It is never pleasing to perceive a sound you don’t know about, and which will arrive from your car. So, what if you identify an exhaust noise that remains on your volvo v90? It is highly probable that this is a minimal issue, however, before being sure, it is better to operate some investigations. 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 volvo v90 and second, if you have a metallic rattling noise on your volvo v90.
Muffled exhaust noise volvo v90
Exhaust pipe with holes volvo v90
Having a muffled sound from its exhaust is not insignificant and can end in over-consumption, or a malfunction of the engine, which could finally become dirty, for example. If you have an exhaust noise on your volvo v90, it is possible that it is due to a hole in the exhaust pipe, this is the most classic explanation. In order to verify this, locate a friend or relative under the running motor vehicle and accelerate to help them recognize the source 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 swapped.
Element dislocated exhaust pipe volvo v90
The other possibility of being the subject of a muffled exhaust noise on volvo v90 is to have a part of the exhaust device that has dislocated caused by vibrations for example. Indeed some junctions of the different parts of the pot can loosen along with time and induce 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 volvo v90 to determine 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, consider taking a look at this document which gives solutions gives solutions about rear end noises on volvo v90.
Metal rattling exhaust sound volvo v90
Damaged exhaust muffler noise volvo v90
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 weakened. 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 volvo v90, cold, and tap each of the previously stated parts with a hammer to determine 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 dead catalyst, it will be necessary to consider replacing it, as well as the silencer. In this case, to stop the exhaust noise on your volvo v90, you will either have to find a second hand one and do it yourself, or go to your auto mechanic.
Metal rattling exhaust noise volvo v90 : Silentblock, loose pot
Finally, a metallic exhaust noise on your volvo v90 may be linked to a poor attachment of your exhaust to your vehicle. Indeed, over the years, vibrations, the pot fasteners on the vehicle chassis can come off. In this case, you need to check, 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, the more fixed it should be. Visually check 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.
