It is never enjoyable to listen to a sound that you don’t know where it originates from. So, what if you discover a gearbox noise that persists on your Nissan Sentra? It is most likely to be a small issues, but before making sure of that, it is best to conduct a few checks. Our team has made up this content to help you to resolve it. First, we will see what the sources and different gearbox noises can be on Nissan Sentra, and second, what are the solutions accessible to you. 
The distinct noises and their origins
A gearbox / your transmission is the necessary element of the transmission, it is linked to the clutch that will release the engine pressure on the gearbox systems. Experiencing noises from your Nissan Sentra’s gearbox is never a good signal, its repair is practically impossible to conduct due to the lack of specialized garages and its replacement demands a heavy expense. The advantage is that generally its life expectancy after a first noise is actually quite long, which gives you time to program the repair, but it is crucial to check right away what is your specific issues.
Your Nissan Sentra transmission generates noise in neutral
If you experience a gearbox noise even when you are in neutral, it denotes that the gearbox’s internal mechanisms are already well worn and that you will have to swap it quickly. Indeed, if you are not even with a gear on and it generates noise, 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 unluckily experiencing squeaks, or humming noises when you switch the gears of your Nissan Sentra, 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 a sign of a gearbox which is nearly good to be change. If you have the feeling after looking at that the noise comes from the clutch and not the gearbox, we suggest you to browse this article in order to find the triggers and solutions to a clutch noise on Nissan Sentra.
You experience a whinning or hummin sound from the gearbox of your Nissan Sentra
Finally, if you acknowledge a noise close to a humming or whinning sound on the transmssion of your Nissan Sentra, it is very often the case that the gearbox of your Nissan Sentra lacks oil. Indeed, if it lacks oil, the elements 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 situation the oil should be black and your can can smell burning. In some cases this kind of noises will be linked to a release bearing on Nissan Sentra, don’t hesitate to have a look at our article.
The solutions existing if you feel a gearbox noise on your Nissan Sentra
- Examine the gearbox oil of your Nissan Sentra via the level gauge and reflect on replacing it if the oil is black
- Use the double clutch to try to make it last till you’re able to swap 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 professionals have the ability to change damaged parts in your own system, they will almost always offer you a standard exchange.
