Manual gearboxes rely on specialized transmission fluid to reduce friction, dissipate heat, and protect internal components from wear. The method of lubrication varies depending on the design of the transmission.
While some more basic models utilize splash lubrication, where the rotation of gears naturally lift and distribute the oil throughout the gearbox, this is not the only approach.
Most modern manual transmissions incorporate a more advanced system. This typically includes a pump that supplies pressurized oil to critical components, ensuring that vital parts receive adequate lubrication regardless of speed or load. These critical components often include:
- Bearings, which support rotating shafts and reduce friction.
- Synchronizers, which help match gear speeds for smooth shifting.
- Gear teeth themselves, preventing excessive wear and noise.
This pressurized system ensures thorough coverage, contributing to the gearbox's efficiency, durability, and smooth operation over time. The transmission fluid circulating through the system also helps to cool the components and carry away small particles.
