It is never enjoyable to experience a sound on your car that you don’t know where it comes from. You may be thinking about what to do when you notice a reversing gear noise that persists on your Mazda CX 9? Any gearbox issue can be important, but before making sure, it is better to do a few investigations. Our team has written this document to support you eliminate it. First, we will see what the origins and the different gearbox noises can be on Mazda CX 9, and second, what are the solutions available to you.
Classical reverse Mazda CX 9 noises and some tips to protect your gearbox
Why does the reversing of my Mazda CX 9 make a different noise from my other speeds?
De facto, integrating all gears, bearings and pinions into a gearbox is a difficult task. The sound made by the reversing of your Mazda CX 9 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 less important than with spur gears chosen for the reverse gear.
Tips to limit 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 plan. In fact, the pressure you will put in on the gears will be significant and you will develop 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 usual if you experience a reverse noise on your Mazda CX 9 if you shift gear under these conditions.
Diverse Mazda CX 9 reversing noises and their triggers
Finally in this section, we will move on to what you are probably most curious about in this content, to learn about the source of reversing noise on Mazda CX 9. Here are the 3 typical sounds you may be victim of.
I acknowledge a grinding noise when starting in reverse gear
If you experience a grinding noise when you start in reverse with your Mazda CX 9, it may be the engine mounts that are tired. Certainly, when the engine is in reverse gear, due to the pinions we saw above the vibrations made 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 circumstance, do not hesitate to consult this content page for more info about strut mount noises on Mazda CX 9.
An increased reverse knocking noise on Mazda CX 9X
If you are subject to a knocking noise when you are in reverse with your Mazda CX 9 and this noise tends to build up as you gain speed. It is conceivable that you are confronting a serious issue that needs to be fixed rather quickly before ruining your entire gearbox. In fact, 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 quickly. Take your car to your mechanic quickly or browse this document about gearbox noise on Mazda CX 9 for more data.
I discover a noise when I go in reverse
Finding out a noise when you shift into reverse is normal and connected to the gears and sprockets used in the gearbox. If, on the other hand, you have the feeling that your Mazda CX 9 reverse gear makes more noise than before, it is conceivable that filings have been produced and are moving around in it. It is therefore time to empty the box.
