It is never pleasant to discover a sound you don’t know about, and which originates from your car. Thus, what if you spot an exhaust noise that is persistant on your Mercury Mariner? It is highly possible that this is a minimal trouble, however, before being sure, it is better to execute some checks. Our team has produced this to support you solve it. First, we will look at the possible causes if you have a muffled exhaust sound on your Mercury Mariner and second, if you have a metallic rattling noise on your Mercury Mariner.exhaust-noise-mercury-mariner

Muffled exhaust noise Mercury Mariner

Exhaust pipe with holes Mercury Mariner

Having a muffled sound from its exhaust is not insignificant and can end in over-consumption, or a malfunction of the engine unit, which could finally become dirty, for example. If you have an exhaust noise on your Mercury Mariner, it is possible that it is due to a crack in the exhaust pipe, this is the most usual reason. To be able to verify this, locate somebody under the running motor car and accelerate to help them locate the starting point of the hole. Once determined, 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 Mercury Mariner

The other possibility of being suffering from a muffled exhaust noise on Mercury Mariner 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 with time and induce 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 Mercury Mariner to discover the trouble 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 having a look at this content page which gives answers gives solutions about rear end noises on Mercury Mariner.

Metal rattling exhaust sound Mercury Mariner

Damaged exhaust muffler noise Mercury Mariner

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 weakened. Indeed, it is conceivable that either your baffles, the catalyst or the silencer are the induce of this noise. To be certain, go under your Mercury Mariner, 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 swapping it, as well as the silencer. In this case, to stop the exhaust noise on your Mercury Mariner, you will either have to find a resale one and do it yourself, or go to your mechanic.

Metal rattling exhaust noise Mercury Mariner : Silentblock, loose pot

Finally, a metallic exhaust noise on your Mercury Mariner may be related to a poor attachment of your exhaust to your car. Indeed, after some time, vibrations, the pot fasteners on the car 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 replaced.