It is never pleasing to notice a sound you don’t know about, and which results from your car. Thus, what if you detect an exhaust noise that remains on your Buick Regal? It is highly possible that this is a small issue, however, before being sure, it is better to accomplish some verifications. Our team has made this to support you resolve it. First, we will look at the possible causes if you have a muffled exhaust sound on your Buick Regal and second, if you have a metallic rattling noise on your Buick Regal.
Muffled exhaust noise Buick Regal
Exhaust pipe with holes Buick Regal
Having a muffled sound from its exhaust is not insignificant and can cause over-consumption, or a malfunction of the engine unit, which could in the end become dirty, for example. If you have an exhaust noise on your Buick Regal, it is plausible that it is due to a hole in the exhaust pipe, this is the most typical explanation. In order to validate this, locate somebody under the running motor vehicle and accelerate to help them discover the source of the hole. Once discovered, 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 Buick Regal
The other possibility of being suffering from a muffled exhaust noise on Buick Regal is to have a part of the exhaust unit that has dislocated due to vibrations for example. In fact some junctions of the different parts of the pot can loosen after a while and generate 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 Buick Regal to define the issue region, 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 having a look at this document which gives solutions gives solutions about rear end noises on Buick Regal.
Metal rattling exhaust sound Buick Regal
Damaged exhaust muffler noise Buick Regal
If, on the other hand, you are exposed to an exhaust sound that is more of a metallic type, it is plausible that one or more parts of your exhaust may be broken. Indeed, it is possible that either your baffles, the catalyst or the silencer are the reason of this noise. To make sure, go under your Buick Regal, 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 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 Buick Regal, you will either have to find a resale one and do it yourself, or go to your auto technician.
Metal rattling exhaust noise Buick Regal : Silentblock, loose pot
Finally, a metallic exhaust noise on your Buick Regal may be linked to a poor attachment of your exhaust to your vehicle. In fact, over the years, 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 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 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 replaced.
