It is never pleasant to find out a sound you don’t know about, and which originates from your car. Thus, what if you detect an exhaust noise that remains on your Chevrolet Captiva? It is highly probable that this is a minor trouble, however, before being sure, it is better to operate some investigations. 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 Chevrolet Captiva and second, if you have a metallic rattling noise on your Chevrolet Captiva.
Muffled exhaust noise Chevrolet Captiva
Exhaust pipe with holes Chevrolet Captiva
Having a muffled sound from its exhaust is not insignificant and can lead to over-consumption, or a malfunction of the engine, which could after a while become dirty, for example. If you have an exhaust noise on your Chevrolet Captiva, it is possible that it is due to a crack in the exhaust pipe, this is the most common reason. To be able to verify this, position someone under the running motor vehicle and accelerate to help them recognize the source of the hole. Once found, 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 Captiva
The other possibility of being suffering from a muffled exhaust noise on Chevrolet Captiva is to have a part of the exhaust device that has dislocated due to vibrations for example. Indeed some junctions of the different parts of the pot can loosen along with time and generate an exhaust gas leak in places not intended for this goal. These fumes will then make a loud noise. Same technique as above, we go under the Chevrolet Captiva to discern the trouble location, and tighten or swap 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 solutions gives solutions about rear end noises on Chevrolet Captiva.
Metal rattling exhaust sound Chevrolet Captiva
Damaged exhaust muffler noise Chevrolet Captiva
If, on the other hand, you are exposed 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 damaged. 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 Chevrolet Captiva, cold, and tap each of the previously stated parts with a hammer to discern 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 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 Chevrolet Captiva, you will either have to find a resale one and do it yourself, or go to your mechanic.
Metal rattling exhaust noise Chevrolet Captiva : Silentblock, loose pot
Finally, a metallic exhaust noise on your Chevrolet Captiva may be linked 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 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.
