It is never pleasant to find out a sound that you don’t know where it comes from. So, what if you discover a gearbox noise that lasts on your GMC Savana? It is most likely to be a minimal issues, but before making sure of that, it is best to conduct a few verifications. Our staff has written this content to support you to resolve it. First, we will see what the sources and different gearbox noises can be on GMC Savana, and second, what are the solutions accessible to you. gearbox-noise-gmc-savana

The different noises and their sources

A gearbox / your transmission is the necessary component of the transmission, it is coupled to the clutch that will release the engine tension on the gearbox mechanisms. Experiencing noises from your GMC Savana’s gearbox is never a good indication, its repair is nearly unachievable to perform due to the lack of skilled mecanician and its replacing demands a heavy expense. The gain is that generally its life expectancy after a first noise is quite long, which provides you time to arrange the repair, but it is crucial to examine instantly what is your specific issues.

Your GMC Savana transmission generates noise in neutral

If you feel a gearbox noise even when you are in neutral, it shows that the gearbox’s internal elements are already well worn and that you will have to swap it fairly quickly. Indeed, if you are not even with a gear on and it makes 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 unluckily hearing squeaks, or humming noises when you switch the gears of your GMC Savana, 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 verifying that the noise comes from the clutch and not the gearbox, we recommend you to browse this document to be able to find the triggers and solutions to a clutch noise on GMC Savana.

You feel a whinning or hummin sound from the gearbox of your GMC Savana

Finally, if you listen a noise almost like a humming or whinning sound on the transmssion of your GMC Savana, it is very often the case that the gearbox of your GMC Savana 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 appear if you do not as soon as possible replace the oil. In this situation the oil should be black and your can can smell burning. Sometimes this kind of noises will be linked to a release bearing on GMC Savana, don’t hesitate to check out our document.

The solutions available if you experience a gearbox noise on your GMC Savana

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