It is never enjoyable to perceive a sound that you don’t know where it originates from. So, what if you identify a gearbox noise that persists on your Toyota Sienna? It is most likely to be a minor concern, but before making sure of that, it is best to carry out a few verifications. Our team has made this article to help you to fix it. First, we will see what the sources and different gearbox noises can be on Toyota Sienna, and second, what are the solutions accessible to you. gearbox-noise-toyota-sienna

The distinct noises and their sources

A gearbox / your transmission is the significant part of the transmission, it is coupled to the clutch that will release the engine pressure on the gearbox systems. Experiencing noises from your Toyota Sienna’s gearbox is rarely a good signal, its repair is practically unimaginable to execute due to the lack of skilled mecanician and its replacement demands a heavy expense. The gain is that generally its life expectancy after a first noise is quite long, which offers you time to program the repair, but it is fundamental to check quickly what is your precise concern.

Your Toyota Sienna transmission generates noise in neutral

If you experience a gearbox noise even when you are in neutral, it shows that the gearbox’s internal mechanisms are already well worn and that you will have to replace it in short order. Indeed, if you are not even with a gear on and it generates sound, the pinions must already be at the end of their life.

You listen a squeaking, a humming noise at the time of the gear shift

If you are unfortunately the subject of squeaks, or humming noises when you change the gears of your Toyota Sienna, it is unfortunately a good bet that it is your gears that are starting to fatigued. If this noise is not limited to passing the first gear and keep going when you drive and shift other gears. This is most likely a signal of a gearbox which is nearly good to be swap. If you have the feeling after looking at that the noise comes from the clutch and not the gearbox, we recommend you to consult this content page in order to find the triggers and solutions to a clutch noise on Toyota Sienna.

You experience a whinning or hummin sound from the gearbox of your Toyota Sienna

Finally, if you listen a noise almost like a humming or whinning sound on the transmssion of your Toyota Sienna, it is very often the case that the gearbox of your Toyota Sienna lacks oil. Indeed, if it lacks oil, the components will be exposed and grind agaisnt each other. In addition, each of its contacts will produce chips or metal dust that will mix with the oil and generate even greater resistance to mechanisms that are already worn out, a snowball effect will show up if you do not fairly quickly change the oil. In this situation the oil should be black and your can can smell burning. On occasion this kind of noises will be linked to a release bearing on Toyota Sienna, don’t hesitate to look at our content page.

The solutions available if you experience a gearbox noise on your Toyota Sienna

  • Verify the gearbox oil of your Toyota Sienna via the level gauge and consider replacing it if the oil is black
  • Use the double clutch to try to make it last till you’re able to replace the gearbox, this will limit the already advanced wear of your gearbox and limit the wear of the pinions.
  • Start looking for a second-hand or new gearbox, very few mechanics have the capacity to change damaged parts in your own system, they will almost always offer you a standard exchange.