It is never pleasurable to find out a sound that you don’t know where it comes from. So, what if you identify a gearbox noise that remains on your Toyota Prius? It is most likely to be a minimal issues, but before making sure of that, it is best to carry out a few checks. Our staff has composed this content page to support you to resolve it. First, we will see what the sources and different gearbox noises can be on Toyota Prius, and second, what are the solutions accessible to you. 
The different noises and their origins
A gearbox / your transmission is the essential part of the transmission, it is linked to the clutch that will release the engine tension on the gearbox mechanisms. Listening noises from your Toyota Prius’s gearbox is never a good indicator, its repair is practically unimaginable to perform due to the lack of skilled mecanician and its replacement requires a heavy expense. The advantages is that generally its life expectancy after a first noise is reasonably long, which gives you time to organize the repair, but it is fundamental to check right away what is your specific issues.
Your Toyota Prius transmission makes noise in neutral
If you feel a gearbox noise even when you are in neutral, it means that the gearbox’s internal parts are already well worn and that you will have to change 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 acknowledge a squeaking, a humming noise at the time of the gear shift
If you are sadly the subject of squeaks, or humming noises when you change the gears of your Toyota Prius, it is unfortunately a good bet that it is your gears that are starting to fatigued. If this sound is not restricted to passing the first gear and keep going when you drive and shift other gears. This is most likely an indicator of a gearbox which is nearly good to be swap. If you have the feeling after examining that the noise comes from the clutch and not the gearbox, we advise you to read this article to be able to find the causes and solutions to a clutch noise on Toyota Prius.
You feel a whinning or hummin sound from the gearbox of your Toyota Prius
Finally, if you acknowledge a noise almost like a humming or whinning sound on the transmssion of your Toyota Prius, it is very often the case that the gearbox of your Toyota Prius lacks oil. Indeed, if it lacks oil, the components will be exposed and grind agaisnt each other. In addition, each of its contacts will develop chips or metal dust that will mix with the oil and make even greater resistance to mechanisms that are already worn out, a snowball effect will happen if you do not almost instantly change the oil. In this case the oil should be black and your can can smell burning. Sometimes this sort of noises will be linked to a release bearing on Toyota Prius, don’t hesitate to look at our article.
The solutions available if you have a gearbox noise on your Toyota Prius
- Check the gearbox oil of your Toyota Prius 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 capability to change damaged parts in your own system, they will almost always offer you a standard exchange.
