It is never pleasant to listen to a sound that you don’t know where it originates from. So, what if you identify a gearbox noise that remains on your Chevrolet Cobalt? It is most likely to be a minimal concern, but before making sure of that, it is best to conduct a few verifications. Our staff has composed this content page to support you to correct it. First, we will see what the sources and different gearbox noises can be on Chevrolet Cobalt, and second, what are the solutions available to you. gearbox-noise-chevrolet-cobalt

The distinct noises and their origins

A gearbox / your transmission is the essential element of the transmission, it is coupled to the clutch that will release the engine force on the gearbox mechanisms. Listening noises from your Chevrolet Cobalt’s gearbox is never a good indication, its repair is practically impossible to execute due to the lack of specialized garages and its replacement requires a heavy expense. The advantage is that generally its life expectancy after a first noise is actually quite long, which offers you time to plan the repair, but it is crucial to verify right away what is your precise concern.

Your Chevrolet Cobalt transmission produces noise in neutral

If you experience a gearbox noise even when you are in neutral, it shows 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 generates sound, the pinions must already be at the end of their life.

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

If you are unfortunately hearing squeaks, or humming noises when you change the gears of your Chevrolet Cobalt, 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 indication of a gearbox which is nearly good to be change. If you have the feeling after checking that the noise comes from the clutch and not the gearbox, we recommend you to have a look at this content in order to find the triggers and solutions to a clutch noise on Chevrolet Cobalt.

You experience a whinning or hummin sound from the gearbox of your Chevrolet Cobalt

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

The solutions existing if you have a gearbox noise on your Chevrolet Cobalt

  • Examine the gearbox oil of your Chevrolet Cobalt via the level gauge and consider changing 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 technicians have the capacity to change damaged parts in your own system, they will almost always offer you a standard exchange.