It is never pleasing to experience a sound on your automobile that you don’t know where it comes from. You may be thinking what to do when you identify a reversing gear noise that persists on your saab 9 3? Any gearbox trouble can be important, but before making sure, it is better to do a few inspections. Our team has created this document to help you eliminate it. First, we will see what the sources and the different gearbox noises can be on saab 9 3, and second, what are the solutions available to you.
Classical reverse saab 9 3 noises and some tips to protect your gearbox
Why does the reversing of my saab 9 3 make a different noise from my other speeds?
De facto, adding all gears, bearings and pinions into a gearbox is a difficult task. The sound generated by the reversing of your saab 9 3 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 employed 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 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 choice. Indeed, the pressure you will apply 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 normal if you notice a reverse noise on your saab 9 3 if you shift gear under these conditions.
Diverse saab 9 3 reversing noises and their causes
Finally in this section, we will move on to what you are probably most curious about in this content, to learn about the origin of reversing noise on saab 9 3. Here are the 3 typical noises you may be victim of.
I perceive a grinding noise when starting in reverse gear
If you experience a grinding noise when you start in reverse with your saab 9 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 generated 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 situation, do not hesitate to read this content for more details about strut mount noises on saab 9 3.
An increased reverse knocking noise on saab 9 3X
If you are subject to a knocking noise when you are in reverse with your saab 9 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 fixed right away before ruining your entire gearbox. Indeed, an intensifying rattling noise means that the gears are damaged. If they are, debris will spread to the rest of the box and damage other gears very fast. Take your automobile to your repair shop quickly or browse this content about gearbox noise on saab 9 3 for more details.
I find out a noise when I go in reverse
Listening 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 saab 9 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.
