A handbook transmission calls for the driver to manually pick the gears[six] by functioning a gear adhere and clutch (which is normally a foot pedal for automobiles or a hand lever for bikes). Torque converter does precisely the same purpose that the clutch does while in the guide gearbox https://gearbox42075.bloggip.com/33859815/how-much-you-need-to-expect-you-ll-pay-for-a-good-gearbox