Do you listen to a metallic noise on your Toyota Sienna once you drive? We can understand that this is not pleasurable and that you are wandering. Listening such a noise is not always a good indicator, but it may also be nothing major. To support you remedy this problem, our team has decided to write this article to assist you in this search. In order to conduct this research as accurately as possible, we will first look into the plausible sources of metallic noise in the front of your automobile, and then, if the metallic noise comes from the rear of your automobile.
Metal noise Toyota Sienna coming from the front end of the automobile
I experience a metal rattling noise coming from wheels
- Metallic noise coming from your bearing
- Metalic noise coming from brake
- Stabilizer bar worn
One of the possible triggers of metal noise manifestations on your Toyota Sienna, may be that one of your bearing is tired, it will tend to generate a loud noise that raises when stressed (turns faster and faster). So please remember to examine by taking speed (neutral gear and window open to give consideration only to noise of the wheels) that the noise is well based here, if this is the case swap it or them fairly quickly. If, on the other hand, this noise only manifests itself with an engaged speed, read this report on loud noise on Toyota Sienna, you will most likely find a solution to your problem.
If you discern a metalic noise on Toyota Sienna and you have the feeling that it comes from your front wheels, it is highly plausible that it is your pads or discs that are the cause. Indeed, a disc or a set of dead plates will generate a strong metallic friction noise that you will inevitably feel. To examine this, put your automobile on safety stand, and examine the condition of your discs and pads by taking out the wheel. If they are involved, swap them promptly , otherwise you will no longer be able to brake. If you encounter a metallic noise from your automobile, and you want informations about it, go through 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 Toyota Sienna, 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 examine this, put yourself under your automobile, without the wheels, and move your rods, if they only oppose very little force it is likely that they will have to be swapped. If this is your case, we recommend highly that you read this article for a complete guide about steering noises on Toyota Sienna.
Other sources
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- Engine silentblock
- Dead gearbox, or broken pinion
A little like worn stabilizer bar, if your engine silent blocks are damaged, you will feel as you pass over damaged roads or sidewalks, loud metallic noises on your Toyota Sienna. Once screwed up, they will no longer fulfill their role as shock absorbers and, with each impact, or violent acceleration, a noise will occur. Therefore, keep in mind to examine their status and swap them if required. Feel free to browse this article which is a complete file about strut mounts noises on Toyota Sienna, how to examine their condition and replace them.
Finally, the last typical cause of metallic noise on Toyota Sienna. 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 make a continuous metal rattling noise. That you shouldn’t feel in neutral. If this is your case, we recommend highly that you browse this detailed guide on the sources of steering noises on Toyota Sienna.
Metallic noise Toyota Sienna coming from the rear end of the vehicle
Exhaust pipe
If, on the other hand, you hear an exhaust noise that is more of a metallic type, it is plausible that one or more parts of your exhaust may be damaged. Indeed, it is plausible that either the catalyst or the silencer may be the cause of this noise. To be certain, go under the automobile, cold, and knock each of the previously stated components with a hammer to find the origin of the noise. You should hear 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 swapping it, as well as the silencer. In this case, to stop the metallic noise on your Toyota Sienna, 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 automobile, it is plausible that with wear they are at the origin of your metallic noises on your Toyota Sienna. Go a little further up in the document where you will find information of the solution already exposed for the front part of the automobile.
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.
