It is never enjoyable to notice a sound that you don’t know where it comes from. So, what if you detect a gearbox noise that continues on your Jeep Grand Cherokee? It is most likely to be a minor issues, but before making sure of that, it is best to perform a few verifications. Our staff has made up this article to help you to fix it. First, we will see what the sources and different gearbox noises can be on Jeep Grand Cherokee, and second, what are the solutions available to you. 
The several 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 force on the gearbox mechanisms. Discovering noises from your Jeep Grand Cherokee’s gearbox is never a good signal, its fix is almost impossible to perform due to the lack of professional mecanician and its replacing 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 program the fix, but it is necessary to check quickly what is your exact issues.
Your Jeep Grand Cherokee transmission produces noise in neutral
If you feel a gearbox noise even when you are in neutral, it denotes that the gearbox’s internal elements are already well worn and that you will have to swap it quickly. In fact, if you are not even with a gear on and it produces 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 unluckily feeling squeaks, or humming noises when you switch the gears of your Jeep Grand Cherokee, 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 replace. If you have the feeling after verifying that the noise comes from the clutch and not the gearbox, we advise you to browse this article to be able to find the origins and solutions to a clutch noise on Jeep Grand Cherokee.
You feel a whinning or hummin sound from the gearbox of your Jeep Grand Cherokee
Finally, if you acknowledge a noise almost like a humming or whinning sound on the transmssion of your Jeep Grand Cherokee, it is very often the case that the gearbox of your Jeep Grand Cherokee lacks oil. In fact, 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 generate even greater resistance to mechanisms that are already worn out, a snowball effect will occur if you do not quickly change the oil. In this case the oil should be black and your can can smell burning. In some cases this sort of noises will be linked to a release bearing on Jeep Grand Cherokee, don’t hesitate to read our article.
The solutions available if you experience a gearbox noise on your Jeep Grand Cherokee
- Verify the gearbox oil of your Jeep Grand Cherokee 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.
