It is never pleasant to hear a sound on your car that you don’t know where it comes from. You may be thinking about what to do when you find a reversing gear noise that persists on your Mazda CX 30? Any gearbox problem can be serious, but before making sure, it is better to do a few checks. Our team has made this document to help you solve it. First, we will see what the sources and the different gearbox noises can be on Mazda CX 30, and second, what are the solutions available to you.reverse-gear-noise-mazada-cx-30

Classical reverse Mazda CX 30 noises and some tips to look after your gearbox

Why does the reversing of my Mazda CX 30 make a different noise from my other speeds?

De facto, integrating all gears, bearings and pinions into a gearbox is a difficult action. The sound generated by the reversing of your Mazda CX 30 is logical. It can be explained in a fairly simple way. In fact, the gears used for conventional speeds (1st to 5th or 6th) are so-called “helical” gears (oblique gears) . The use of such a pinion makes the noise caused by the gears much less important than with spur gears implemented for the reverse gear.

Tips to limit wear on your clutch and gearbox

  • Don’t give a big boost:
    Certainly, if you kick the throttle hard when you are in reverse or when you put the car in the revs, you risk to burn your clutch or gnawing at the gearbox pinions.

  • Never reverse while the car is in motion or vice versa:
    Reversing the direction of operation of the gearbox during operation is a very bad plan. In fact, the pressure you will apply on the gears will be significant and you will produce a premature wear and tear of the gears. You can even break the gears of your gearbox at speed by doing so. It will therefore be completely normal if you hear a reverse noise on your Mazda CX 30 if you shift gear under these conditions.

Diverse Mazda CX 30 reversing noises and their triggers

Finally in this section, we will move on to what you are probably most enthusiastic about in this article, to learn about the cause of reversing noise on Mazda CX 30. Here are the 3 typical noises you may be victim of.

I find out a grinding noise when starting in reverse gear

If you hear a grinding noise when you start in reverse with your Mazda CX 30, it may be the engine mounts that are tired. Indeed, when the engine is in reverse gear, due to the pinions we saw above the vibrations generated by the gearbox are higher and it is therefore conceivable that due to their wear the silentblocks no longer absorb the engine vibrations well. In this case, do not hesitate to read this article for more info about strut mount noises on Mazda CX 30.

An increased reverse knocking noise on Mazda CX 30X

If you are subject to a knocking noise when you are in reverse with your Mazda CX 30 and this noise tends to amplify as you gain speed. It is conceivable that you are going through a serious problem that needs to be fixed quickly before destroying your entire gearbox. In fact, an intensifying rattling noise means that the gears are damaged. If they are, debris will disperse to the rest of the box and damage other gears in short order. Take your car to your repair shop quickly or browse this content about gearbox noise on Mazda CX 30 for more details.

I discover a noise when I go in reverse

Finding out a noise when you shift into reverse is normal and linked to the gears and sprockets used in the gearbox. If, on the other hand, you have the feeling that your Mazda CX 30 reverse gear makes more noise than before, it is conceivable that filings have been created and are moving around in it. It is therefore time to empty the box.