It is never pleasant to find out a sound on your vehicle that you don’t know where it comes from. You may be wanting to know what to do when you find a reversing gear noise that continues on your Chevrolet Express? Any gearbox trouble can be severe, but before making sure, it is better to do a few checks. Our team has created this document to support you solve it. First, we will see what the sources and the different gearbox noises can be on Chevrolet Express, and second, what are the solutions available to you.
Classical reverse Chevrolet Express noises and some tips to protect your gearbox
Why does the reversing of my Chevrolet Express 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 caused by the reversing of your Chevrolet Express 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 employed 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 vehicle in the revs, you risk to burn your clutch or gnawing at the gearbox pinions. - Never reverse while the vehicle 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 monumental and you will make 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 typical if you notice a reverse noise on your Chevrolet Express if you shift gear under these conditions.
Diverse Chevrolet Express reversing noises and their causes
Finally in this section, we will move on to what you are probably most enthusiastic about in this content, to learn about the source of reversing noise on Chevrolet Express. Here are the 3 typical sounds you may be victim of.
I experience a grinding noise when starting in reverse gear
If you find out a grinding noise when you start in reverse with your Chevrolet Express, 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 produced 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 out this article for more information about strut mount noises on Chevrolet Express.
An increased reverse knocking noise on Chevrolet ExpressX
If you are subject to a knocking noise when you are in reverse with your Chevrolet Express and this noise tends to increase as you gain speed. It is conceivable that you are dealing with 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 propagate to the rest of the box and damage other gears in short order. Take your vehicle to your technician quickly or read this content page about gearbox noise on Chevrolet Express for more details.
I find out a noise when I go in reverse
Finding out a noise when you shift into reverse is normal and related to the gears and sprockets used in the gearbox. If, on the other hand, you have the feeling that your Chevrolet Express 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.