It is never enjoyable to listen to a sound on your car that you don’t know where it comes from. You may be thinking about what to do when you identify a reversing gear noise that remains on your Lexus GX? Any gearbox issue can be important, but before making sure, it is better to do a few checks. Our team has written this article to support you deal with it. First, we will see what the sources and the different gearbox noises can be on Lexus GX, and second, what are the solutions available to you.
Classical reverse Lexus GX noises and some tips to look after your gearbox
Why does the reversing of my Lexus GX 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 made by the reversing of your Lexus GX 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 important than with spur gears used for the reverse gear.
Tips to reduce wear on your clutch and gearbox
- Don’t give a big boost:
Indeed, 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. Indeed, the pressure you will put in on the gears will be enormous 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 experience a reverse noise on your Lexus GX if you shift gear under these conditions.
Several Lexus GX reversing noises and their causes
Finally in this section, we will move on to what you are probably most interested in this article, to learn about the source of reversing noise on Lexus GX. Here are the 3 typical noises you may be victim of.
I experience a grinding noise when starting in reverse gear
If you listen to a grinding noise when you start in reverse with your Lexus GX, 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 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 consult this paper for more info about strut mount noises on Lexus GX.
An increased reverse knocking noise on Lexus GXX
If you are subject to a knocking noise when you are in reverse with your Lexus GX and this noise tends to increase as you gain speed. It is conceivable that you are dealing with a serious issue that needs to be resolved very fast before wrecking your entire gearbox. Indeed, 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 before long. Take your car to your repair shop quickly or check out this content about gearbox noise on Lexus GX for more data.
I discover a noise when I go in reverse
Experiencing a noise when you shift into reverse is normal and relating to the gears and sprockets used in the gearbox. If, on the other hand, you have the feeling that your Lexus GX 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.
