It is never pleasant to notice a sound you don’t know about, and which results from your car. Thus, what if you discover an exhaust noise that continues on your Fiat Doblo? It is highly possible that this is a minimal issue, however, before being sure, it is better to accomplish some investigations. Our team has written this to support you resolve it. First, we will look at the possible causes if you have a muffled exhaust sound on your Fiat Doblo and second, if you have a metallic rattling noise on your Fiat Doblo.
Muffled exhaust noise Fiat Doblo
Exhaust pipe with holes Fiat Doblo
Having a muffled sound from its exhaust is not insignificant and can end in over-consumption, or a malfunction of the car engine, which could in time become dirty, for example. If you have an exhaust noise on your Fiat Doblo, it is possible that it is due to a hole in the exhaust pipe, this is the most typical cause. In order to confirm this, position a friend or relative under the running motor vehicle and accelerate to help them determine the source 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 Fiat Doblo
The other possibility of being the subject of a muffled exhaust noise on Fiat Doblo is to have a part of the exhaust system that has dislocated caused by vibrations for example. Indeed some junctions of the different parts of the pot can loosen along 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 Fiat Doblo to define the issue area, and tighten or change the bolts. If you hear a muffled sound but after checking it doesn’t seem to come from the pot itself, think about taking a look at this content which gives solutions gives solutions about rear end noises on Fiat Doblo.
Metal rattling exhaust sound Fiat Doblo
Damaged exhaust muffler noise Fiat Doblo
If, on the other hand, you are subject to an exhaust sound that is more of a metallic type, it is possible that one or more parts of your exhaust may be injured. Indeed, it is possible that either your baffles, the catalyst or the silencer are the cause of this noise. To make sure, go under your Fiat Doblo, 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 out of date catalyst, it will be necessary to consider swapping it, as well as the silencer. In this case, to stop the exhaust noise on your Fiat Doblo, you will either have to find a second hand one and do it yourself, or go to your auto mechanic.
Metal rattling exhaust noise Fiat Doblo : Silentblock, loose pot
Finally, a metallic exhaust noise on your Fiat Doblo may be linked to a poor attachment of your exhaust to your vehicle. Indeed, after some time, 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 behaves. Backwards there should be some play and be able to move but not too much. The closer you get to the engine unit, 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 changed.
