It is never pleasant to listen to a sound that you don’t know where it originates from. So, what if you detect a gearbox noise that lasts on your Mazda CX 7? It is most likely to be a small issues, but before making sure of that, it is best to conduct a few checks. Our staff has composed this content to help you to solve it. First, we will see what the sources and different gearbox noises can be on Mazda CX 7, and second, what are the solutions available to you. gearbox-noise-mazda-cx-7

The several noises and their origins

A gearbox / your transmission is the significant element of the transmission, it is coupled to the clutch that will release the engine force on the gearbox mechanisms. Finding out noises from your Mazda CX 7’s gearbox is rarely a good indicator, its repair is almost unachievable to execute due to the lack of reliable mecanician and its replacing requires a heavy expense. The advantages is that generally its life expectancy after a first noise is actually quite long, which provides you time to prepare the repair, but it is important to examine right away what is your precise issues.

Your Mazda CX 7 transmission generates noise in neutral

If you encounter a gearbox noise even when you are in neutral, it means that the gearbox’s internal components are already well worn and that you will have to change it fairly quickly. In fact, if you are not even with a gear on and it causes sound, the pinions must already be at the end of their life.

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

If you are unfortunately experiencing squeaks, or humming noises when you switch the gears of your Mazda CX 7, it is unfortunately a good bet that it is your gears that are starting to fatigued. If this noise is not limited 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 replace. If you have the feeling after looking at that the noise comes from the clutch and not the gearbox, we suggest you to read this content to be able to find the causes and solutions to a clutch noise on Mazda CX 7.

You encounter a whinning or hummin sound from the gearbox of your Mazda CX 7

Finally, if you listen to a noise almost like a humming or whinning sound on the transmssion of your Mazda CX 7, it is very often the case that the gearbox of your Mazda CX 7 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 create chips or metal dust that will mix with the oil and create 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 type of noises will be linked to a release bearing on Mazda CX 7, don’t hesitate to look at our content.

The solutions available if you feel a gearbox noise on your Mazda CX 7

  • Verify the gearbox oil of your Mazda CX 7 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 replace 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 capability to change damaged parts in your own system, they will almost always offer you a standard exchange.