The torque converter clutch arrives into motion to mitigate the inherent inefficiency on the fluid coupling at bigger speeds. Launch oil exiting from the turbine shaft forces the clutch off the cover surface. The 2-path converter then has stream when the discharge oil has divided the clutch from the cover. https://beauvejno.bloggactivo.com/33516521/torque-converter-clutch-no-further-a-mystery