It is never enjoyable to experience a sound on your automobile that you don’t know where it comes from. You may be wondering what to do when you identify a reversing gear noise that remains on your Mercedes Classe G 3? Any gearbox trouble can be important, but before making sure, it is better to do a few checks. Our team has created this document to help you deal with it. First, we will see what the sources and the different gearbox noises can be on Mercedes Classe G 3, and second, what are the solutions available to you.
Classical reverse Mercedes Classe G 3 noises and some tips to maintain your gearbox
Why does the reversing of my Mercedes Classe G 3 make a different noise from my other speeds?
De facto, adding all gears, bearings and pinions into a gearbox is a difficult action. The sound caused by the reversing of your Mercedes Classe G 3 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 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:
Certainly, if you kick the throttle hard when you are in reverse or when you put the automobile in the revs, you risk to burn your clutch or gnawing at the gearbox pinions. - Never reverse while the automobile is in motion or vice versa:
Reversing the direction of operation of the gearbox during operation is a very bad practice. In fact, the pressure you will apply on the gears will be enormous and you will develop 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 perceive a reverse noise on your Mercedes Classe G 3 if you shift gear under these conditions.
Several Mercedes Classe G 3 reversing noises and their triggers
Finally in this section, we will move on to what you are probably most interested in this page, to find out about the origin of reversing noise on Mercedes Classe G 3. Here are the 3 typical noises you may be victim of.
I listen to a grinding noise when starting in reverse gear
If you experience a grinding noise when you start in reverse with your Mercedes Classe G 3, 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 made by the gearbox are higher and it is therefore plausible that due to their wear the silentblocks no longer absorb the engine vibrations well. In this circumstance, do not hesitate to read this content page for more info about strut mount noises on Mercedes Classe G 3.
An increased reverse knocking noise on Mercedes Classe G 3X
If you are subject to a knocking noise when you are in reverse with your Mercedes Classe G 3 and this noise tends to build up as you gain speed. It is plausible that you are experiencing a serious trouble that needs to be resolved very fast before ruining 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 very fast. Take your automobile to your auto technician quickly or check out this article about gearbox noise on Mercedes Classe G 3 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 Mercedes Classe G 3 reverse gear makes more noise than before, it is plausible that filings have been created and are moving around in it. It is therefore time to empty the box.
