Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions

How a Manual Gearbox Works

Model: (Various brands) Various
Part: Transmission

This video briefly describes how a manual gearbox works, which is a mechanical system that allows the driver to manually select the most suitable gear ratio for the speed and driving conditions. The main components are: the clutch, which is a disc that connects/disconnects the engine from the gearbox; the input primary shaft that receives power from the engine; the output secondary shaft that transmits power to the wheels; the gear pairs, which are sets of toothed wheels with different ratios; the gear selector lever that moves the synchronisers to engage the gears; the synchronisers, which slow down or speed up the gears for a smooth engagement.

Posted on 15 March 2026 by ScegliAuto

Video tutorial

Related tutorials

How a Car Clutch Works and Its Lifespan with a Manual Gearbox
How a Car Clutch Works and Its Lifespan with a Manual Gearbox
(Various brands) Various In this video tutorial, you will learn how a clutch works and how long it might last in a car with a manual gearbox. The clutch operates as follows: …
How to choose the right lubricant for your gearbox
How to choose the right lubricant for your gearbox
(Various brands) Various Choosing the right oil for your gearbox is a really difficult thing, but this video comes to our aid, giving us some useful advice: starting from mot…
Refilling and Periodic Checks of Automatic Gearbox Oil.
Refilling and Periodic Checks of Automatic Gearbox Oil.
(Various brands) Various Gearbox oil is essential for lubricating all the gears that allow you to change gears in both manual and automatic gearboxes. Lubrication of the gear…

Other guides you may be interested in

How to Open the Bonnet on the Lancia Y

To open the bonnet on this vehicle, follow these simple instructions: first, open the driver's door and locate the lever positioned just below the dashboard, marked with an image of the vehicle with the bonnet open. Pull this lever towards you until you hear a "click" indicating the bonnet is released. Next, exit the cabin and stand in front of the bonnet to disengage the safety catch and complete the opening. To do this, slightly lift the bonnet, locate the yellow lever underneath, and pull it to the left to fully release and open the bonnet.

Watch the video!


by ScegliAuto

More videos