It is never pleasing to hear a sound you don’t know about, and which originates from your car. Thus, what if you notice an exhaust noise that remains on your Chevrolet Spark? It is highly possible that this is a small issue, however, before being sure, it is better to operate some inspections. Our team has made this to support you resolve it. First, we will look at the possible reasons if you have a muffled exhaust sound on your Chevrolet Spark and second, if you have a metallic rattling noise on your Chevrolet Spark.
Muffled exhaust noise Chevrolet Spark
Exhaust pipe with holes Chevrolet Spark
Having a muffled sound from its exhaust is not insignificant and can cause over-consumption, or a malfunction of the engine, which could in the end become dirty, for example. If you have an exhaust noise on your Chevrolet Spark, it is possible that it is due to a hole in the exhaust pipe, this is the most typical reason. In order to validate this, locate 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 Chevrolet Spark
The other possibility of being the subject of a muffled exhaust noise on Chevrolet Spark is to have a part of the exhaust system that has dislocated caused by vibrations for example. In fact some junctions of the different parts of the pot can loosen after a while and cause an exhaust gas leak in places not intended for this goal. These fumes will then generate a loud noise. Same technique as above, we go under the Chevrolet Spark to determine the issue region, and tighten or swap the bolts. If you hear a muffled sound but after verifying 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 Chevrolet Spark.
Metal rattling exhaust sound Chevrolet Spark
Damaged exhaust muffler noise Chevrolet Spark
If, alternatively, you are subject to an exhaust sound that is more of a metallic sort 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 reason of this noise. To confirm, go under your Chevrolet Spark, 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 out of date catalyst, it will be necessary to consider replacing it, as well as the silencer. In this case, to stop the exhaust noise on your Chevrolet Spark, you will either have to find a second hand one and do it yourself, or go to your technician.
Metal rattling exhaust noise Chevrolet Spark : Silentblock, loose pot
Finally, a metallic exhaust noise on your Chevrolet Spark may be in connection with a poor attachment of your exhaust to your automobile. In fact, after some time, vibrations, the pot fasteners on the automobile 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 motor, 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 swapped.
