It is rarely pleasant to find out a sound you don’t know about, and which originates from your car. So, what if you spot an exhaust noise that continues on your Scion tC? It is highly probable that this is a minor issue, however, before being sure, it is better to carry out some inspections. 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 Scion tC and second, if you have a metallic rattling noise on your Scion tC.
Muffled exhaust noise Scion tC
Exhaust pipe with holes Scion tC
Having a muffled sound from its exhaust is not insignificant and can end up in over-consumption, or a malfunction of the engine unit, which could after a while become dirty, for example. If you have an exhaust noise on your Scion tC, it is possible that it is due to a hole in the exhaust pipe, this is the most common reason. In order to confirm this, position somebody under the running motor vehicle and accelerate to help them recognize the origin 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 Scion tC
The other possibility of being the subject of a muffled exhaust noise on Scion tC 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 over time and cause an exhaust gas leak in places not intended for this purpose. These fumes will then create a loud noise. Same technique as above, we go under the Scion tC to identify the issue area, and tighten or change the bolts. If you hear a muffled sound but after examining 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 Scion tC.
Metal rattling exhaust sound Scion tC
Damaged exhaust muffler noise Scion tC
If, alternatively, you are subject 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 broken. Indeed, it is conceivable that either your baffles, the catalyst or the silencer are the induce of this noise. To be sure, go under your Scion tC, cold, and tap each of the previously stated parts with a hammer to identify 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 dead catalyst, it will be necessary to consider changing it, as well as the silencer. In this case, to stop the exhaust noise on your Scion tC, you will either have to find a used one and do it yourself, or go to your auto technician.
Metal rattling exhaust noise Scion tC : Silentblock, loose pot
Finally, a metallic exhaust noise on your Scion tC may be connected to a poor attachment of your exhaust to your vehicle. Indeed, as time passes, vibrations, the pot fasteners on the vehicle 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.
