It is never pleasant to find out a sound that you don’t know where it originates from. So, what if you specify a gearbox noise that remains on your Opel Astra? It is most likely to be a minimal matter, 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 Opel Astra, and second, what are the solutions available to you. gearbox-noise-opel-astra

The distinct noises and their origins

A gearbox / your transmission is the essential component of the transmission, it is linked to the clutch that will release the engine pressure on the gearbox mechanisms. Discovering noises from your Opel Astra’s gearbox is practically never a good sign, its fix is nearly impossible to conduct due to the lack of reliable mecanician and its replacement requires a heavy expense. The benefit is that generally its life expectancy after a first noise is actually quite long, which offers you time to plan the fix, but it is necessary to verify right away what is your precise matter.

Your Opel Astra transmission makes noise in neutral

If you feel a gearbox noise even when you are in neutral, it denotes that the gearbox’s internal parts are already well worn and that you will have to replace it fairly quickly. In fact, if you are not even with a gear on and it makes noise, the pinions must already be at the end of their life.

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

If you are unluckily feeling squeaks, or humming noises when you change the gears of your Opel Astra, it is unfortunately a good bet that it is your gears that are starting to fatigued. If this noise 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 replace. If you have the feeling after looking at that the noise comes from the clutch and not the gearbox, we recommend you to have a look at this article to be able to find the origins and solutions to a clutch noise on Opel Astra.

You feel a whinning or hummin sound from the gearbox of your Opel Astra

Finally, if you notice a noise close to a humming or whinning sound on the transmssion of your Opel Astra, it is very often the case that the gearbox of your Opel Astra lacks oil. In fact, if it lacks oil, the components will be exposed and grind agaisnt each other. In addition, each of its contacts will make 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 occur 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 kind of noises will be linked to a release bearing on Opel Astra, don’t hesitate to visit our article.

The solutions existing if you experience a gearbox noise on your Opel Astra

  • Verify the gearbox oil of your Opel Astra via the level gauge and reflect on swapping it if the oil is black
  • Use the double clutch to try to make it last till you’re able to change 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.