On this transmission, when overdrive is engaged, a shaft that may be hooked up towards the housing in the torque converter (that's bolted to your flywheel on the engine) is related by clutch towards the planet provider. Under the skin, while, this gearbox is effective much like a manual, but https://gunnerrwwxw.eedblog.com/34248088/gearbox-auto-no-further-a-mystery