Do you listen to a metallic noise on your Opel Astra when you drive? We know that this is not pleasurable and that you are wandering. Hearing such a noise is not always a good indication, but it may also be nothing serious. To support you remedy this problem, we have decided to write this article content to assist you in this investigation. In order to accomplish this research as effectively as possible, we will first look at the possible origins of metallic noise in the front of your car, and then, if the metallic noise comes from the rear of your car.
Metal noise Opel Astra coming from the front end of the car
I perceive a metal rattling noise coming from wheels
- Metallic noise caused by your bearing
- Metalic noise coming from brake
- Stabilizer bar worn
One of the most likely causes of metal noise symptoms on your Opel Astra, may be that one of your bearing is tired, it will commonly produce a loud noise that raises when stressed (turns faster and faster). So keep in mind to verify by taking speed (neutral gear and window open to concentrate only to noise of the wheels) that the noise is well established here, if this is the case replace it or them quickly. If, on the other hand, this noise only manifests itself with an engaged speed, browse this report on loud noise on Opel Astra, you will most likely find a solution to your problem.
If you encounter a metalic noise on Opel Astra and you have the feeling that it comes from your front wheels, it is highly possible that it is your pads or discs that are the cause. Indeed, a disc or a set of dead plates will create a strong metallic friction noise that you will inevitably feel. To verify this, put your car on safety stand, and verify the state of your discs and pads by removing the wheel. If they are involved, replace them promptly , otherwise you will no longer be able to brake. If you encounter a metallic noise from your car, and you want explications about it, go through this guide for more details about brake noises on xxx.
If it is rather when you are turning, passing over a bump or sidewalk that you perceive a metallic noise on your Opel Astra, then your rods may be worn. Whether it is the steering or the stabilizer bar, their wear will cause a metallic snap when they hit or change direction. To verify this, put yourself under your car, without the wheels, and move your rods, if they only oppose very little force it is likely that they will have to be changed. If this is your case, we advise that you browse this article content for a complete guide about steering noises on Opel Astra.
Other sources
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- Engine silentblock
- Dead gearbox, or broken pinion
A bit like worn stabilizer bar, if your engine silent blocks are weakened, you will feel as you pass over damaged roads or sidewalks, loud metallic noises on your Opel Astra. Once screwed up, they will no longer fulfill their function as shock absorbers and, with each impact, or violent acceleration, a noise will come out. Therefore, please remember to verify their status and replace them if necessary. Feel free to have a look at this article content which is a complete file about strut mounts noises on Opel Astra, how to verify their state and change them.
Finally, the last typical cause of metallic noise on Opel Astra. It’s because your transmission system is the source. It is conceivable, either because of improper use of the gearbox or because of excessive wear, that some gears in your gearbox have broken and are wandering around in it. They will then make a continuous metal rattling noise. That you shouldn’t feel in neutral. If this is your case, we advise that you browse this detailed guide on the sources of steering noises on Opel Astra.
Metallic noise Opel Astra coming from the rear end of the vehicle
Exhaust pipe
If, on the other hand, you notice an exhaust noise that is more of a metallic type, it is possible that one or more parts of your exhaust may be damaged. Indeed, it is possible that either the catalyst or the silencer may be the cause of this noise. To be sure, go under the car, cold, and knock each of the previously stated units with a hammer to find the source of the noise. You should acknowledge things moving in the problematic part, if it’s the exhaust baffles, you can try to hammer in the section a little to try to block them and limit their movements. If it is a dead catalyst, it will be required to reflect on swapping it, as well as the silencer. In this case, to stop the metallic noise on your Opel Astra, you will either have to find a second hand one and do it yourself, or go to your mechanic.
Noise from wheels
- Bearings
- Brake pads or discs
As for the bearings of your car, it is possible that with wear they are at the origin of your metallic noises on your Opel Astra. Go a little further up in the content page where you will find information of the solution already exposed for the front part of the car.
Finally, if the noise comes from your discs brakes or pads, you should refer to the part in question in the first section of this manual.
