It is never pleasant to listen to a sound on your car that you don’t know where it comes from. You may be wanting to know what to do when you notice a reversing gear noise that persists on your Infiniti QX30? Any gearbox issue can be critical, but before making sure, it is better to do a few checks. Our team has written this content page to support you eliminate it. First, we will see what the origins and the different gearbox noises can be on Infiniti QX30, and second, what are the solutions available to you.reverse-gear-noise-infiniti-qx30

Classical reverse Infiniti QX30 noises and some tips to maintain your gearbox

Why does the reversing of my Infiniti QX30 make a different noise from my other speeds?

De facto, integrating all gears, bearings and pinions into a gearbox is a difficult exercise. The sound generated by the reversing of your Infiniti QX30 is logical. It can be explained in a fairly simple way. Indeed, 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 less strong than with spur gears used for the reverse gear.

Tips to reduce wear on your clutch and gearbox

  • Don’t give a big boost:
    In fact, 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 practice. Indeed, the pressure you will put in on the gears will be significant and you will create a premature wear and tear of the gears. You can even destroy the gears of your gearbox at speed by doing so. It will therefore be completely common if you notice a reverse noise on your Infiniti QX30 if you shift gear under these conditions.

Several Infiniti QX30 reversing noises and their causes

Finally in this section, we will move on to what you are probably most enthusiastic about in this document, to find out about the origin of reversing noise on Infiniti QX30. Here are the 3 typical noises you may be victim of.

I find out a grinding noise when starting in reverse gear

If you listen to a grinding noise when you start in reverse with your Infiniti QX30, it may be the engine mounts that are tired. In fact, when the engine is in reverse gear, due to the pinions we saw above the vibrations produced by the gearbox are higher and it is therefore possible that due to their wear the silentblocks no longer absorb the engine vibrations well. In this circumstance, do not hesitate to check out this document for more information about strut mount noises on Infiniti QX30.

An increased reverse knocking noise on Infiniti QX30X

If you are subject to a knocking noise when you are in reverse with your Infiniti QX30 and this noise tends to increase as you gain speed. It is possible that you are experiencing a serious issue that needs to be fixed right away before ruining your entire gearbox. Indeed, an intensifying rattling noise means that the gears are damaged. If they are, debris will propagate to the rest of the box and damage other gears very fast. Take your car to your repair shop quickly or read this content page about gearbox noise on Infiniti QX30 for more details.

I acknowledge a noise when I go in reverse

Hearing 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 Infiniti QX30 reverse gear makes more noise than before, it is possible that filings have been produced and are moving around in it. It is therefore time to empty the box.