Do you notice a metallic noise on your Renault Koleos when you drive? We understand that this is not relaxing and that you have questions. Finding out such a noise is not always a good indicator, but it may also be nothing severe. To help you eliminate this problem, our redaction decided to write this article to assist you in this research. In order to execute this research as effectively as possible, we will first look into 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 Renault Koleos coming from the front end of the car
I experience a metal rattling noise coming from wheels
- Metallic noise based on your bearing
- Metalic noise coming from brake
- Stabilizer bar worn
One of the possible causes of metal noise manifestations on your Renault Koleos, may be that one of your bearing is tired, it will tend to generate a loud noise that goes up when stressed (turns faster and faster). So take into account to verify by taking speed (neutral gear and window open to listen only to noise of the wheels) that the noise is well located here, if this is the case swap it or them quickly. If, on the other hand, this noise only manifests itself with an engaged speed, read this guide on loud noise on Renault Koleos, you will most likely find a remedy to your problem.
If you encounter a metalic noise on Renault Koleos 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 reason. Indeed, a disc or a set of dead plates will generate a strong metallic friction noise that you will inevitably feel. To verify this, put your car on safety stand, and verify the condition of your discs and pads by getting rid of the wheel. If they are involved, swap them fairly quickly , otherwise you will no longer be able to brake. If you feel a metallic noise from your car, and you want explications about it, examine this guide for more information about brake noises on xxx.
If it is rather when you are turning, passing over a bump or sidewalk that you experience a metallic noise on your Renault Koleos, 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, position 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 replaced. If this is your case, we recommend highly that you have a look at this article for a complete guide about steering noises on Renault Koleos.
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 harmed, you will feel as you pass over damaged roads or sidewalks, loud metallic noises on your Renault Koleos. Once screwed up, they will no longer accomplish their function as shock absorbers and, with each impact, or violent acceleration, a noise will occur. Therefore, think about to verify their status and swap them if necessary. Feel free to have a look at this article which is a complete file about strut mounts noises on Renault Koleos, how to verify their condition and change them.
Finally, the last classic reason of metallic noise on Renault Koleos. It’s because your transmission system is the origin. 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 create a continuous metal rattling sound. That you shouldn’t feel in neutral. If this is your case, we recommend highly that you look at this detailed guide on the sources of steering noises on Renault Koleos.
Metallic noise Renault Koleos coming from the rear end of the vehicle
Exhaust pipe
If, on the other hand, you discern 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 reason of this sound. To be sure, go under the car, cold, and knock each of the previously stated parts with a hammer to discern the origin of the noise. You should perceive 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 necessary to consider replacing it, as well as the silencer. In this case, to stop the metallic noise on your Renault Koleos, 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 Renault Koleos. Go a little further up in the article content where you will find information of the solution already exposed for the front part of the car.
Finally, if the noise originates from your discs brakes or pads, you should refer to the part in question in the first section of this manual.
