It is rarely pleasing to find out 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 Toyota Avalon? It is highly probable that this is a minor issue, however, before being sure, it is better to carry out some checks. Our team has produced this to support you resolve it. First, we will look at the possible causes if you have a muffled exhaust sound on your Toyota Avalon and second, if you have a metallic rattling noise on your Toyota Avalon.
Muffled exhaust noise Toyota Avalon
Exhaust pipe with holes Toyota Avalon
Having a muffled sound from its exhaust is not insignificant and can cause over-consumption, or a malfunction of the car engine, which could eventually become dirty, for example. If you have an exhaust noise on your Toyota Avalon, it is plausible that it is due to a crack 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 locate the source 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 swapped.
Element dislocated exhaust pipe Toyota Avalon
The other possibility of being suffering from a muffled exhaust noise on Toyota Avalon is to have a part of the exhaust unit that has dislocated as a consequence of vibrations for example. Indeed 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 Toyota Avalon to define the issue region, 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, consider looking at this document which gives answers gives solutions about rear end noises on Toyota Avalon.
Metal rattling exhaust sound Toyota Avalon
Damaged exhaust muffler noise Toyota Avalon
If, on the other hand, 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 conceivable that either your baffles, the catalyst or the silencer are the cause of this noise. To confirm, go under your Toyota Avalon, cold, and tap each of the previously stated parts with a hammer to define 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 swapping it, as well as the silencer. In this case, to stop the exhaust noise on your Toyota Avalon, you will either have to find a used one and do it yourself, or go to your auto mechanic.
Metal rattling exhaust noise Toyota Avalon : Silentblock, loose pot
Finally, a metallic exhaust noise on your Toyota Avalon may be related 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 examine, 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 examine 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.
