It is never enjoyable to find out a sound on your car that you don’t know where it comes from. You may be wondering what to do when you find a reversing gear noise that remains on your Vauxkhall Astra? Any gearbox issue can be severe, but before making sure, it is better to do a few investigations. Our team has made this article to help you deal with it. First, we will see what the origins and the different gearbox noises can be on Vauxkhall Astra, and second, what are the solutions available to you.
Classical reverse Vauxkhall Astra noises and some tips to maintain your gearbox
Why does the reversing of my Vauxkhall Astra make a different noise from my other speeds?
De facto, adding all gears, bearings and pinions into a gearbox is a difficult task. The noise caused by the reversing of your Vauxkhall Astra 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 more quiet than with spur gears chosen for the reverse gear.
Tips to limit 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 idea. Indeed, the pressure you will exert on the gears will be monumental and you will produce 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 usual if you notice a reverse noise on your Vauxkhall Astra if you shift gear under these conditions.
Diverse Vauxkhall Astra 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 learn about the cause of reversing noise on Vauxkhall Astra. Here are the 3 typical sounds you may be victim of.
I notice a grinding noise when starting in reverse gear
If you find out a grinding noise when you start in reverse with your Vauxkhall Astra, 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 conceivable that due to their wear the silentblocks no longer absorb the engine vibrations well. In this situation, do not hesitate to check this content for more information about strut mount noises on Vauxkhall Astra.
An increased reverse knocking noise on Vauxkhall AstraX
If you are subject to a knocking noise when you are in reverse with your Vauxkhall Astra and this noise tends to amplify as you gain speed. It is conceivable that you are experiencing a serious issue that needs to be resolved very fast before ruining 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 very fast. Take your car to your auto technician quickly or browse this document about gearbox noise on Vauxkhall Astra for more details.
I find out a noise when I go in reverse
Listening 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 Vauxkhall Astra 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.
