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A General Guide to How a Car Gearbox Works

Every vehicle that hits our roads has an important, complex component in it: a gearbox. Follow this general guide to how a care gearbox works and its effect on a vehicle’s power transmission. Gearboxes help to convert power that would otherwise be too fast and powerful for the vehicle’s wheels. The teeth from smaller gears connect with the teeth on larger gears, which rotate at a slower or faster speed. This helps a car to properly travel up steep hills or slowly travel downhill.


Gearboxes have been around since the late 1800s, created by French inventors Emile Lavassor and Louis-Rene Panhard. Later on in 1989, Louis Renault evolved the design that helped gears to switch with more ease.

Gears have been a part of our history since as early as the 4th century. Many ancient gears were discovered in China. And the Salisbury Cathedral, the oldest clock in the world, has been using gears dating back to 1386.


Dual-clutch systems are modern CVT systems that are a type of automatic gearbox. However, unlike standard manual or automatic systems, CVT gearboxes are shaped like a cone and have a pulley that moves up and down the car’s maximum and minimum range. This kind of gearbox can be used in hybrid vehicles, making it a little more unique but beneficial.


Automatic gearboxes started in the 1940s and are more common than manual gearboxes. Most US vehicles have a manual vehicle and transmission, requiring an automatic gearbox. Due to this important component, there’s no need to disconnect the engine from the transmission when switching gears. Therefore, smooth gear shifts, efficient driving, and simpler driving can be achieved.

If you fear that the gearbox in your vehicle needs to be repaired, consider these factors when you choose a gear machine shop. Ensure you car is in the best hands and care. Use this general guide to how a car gearbox works to understand what exactly needs to be repaired on your vehicle.


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