The engagement and disengagement with the lock-up clutch is determined by the course the fluid enters the torque converter. The automatic transmission fluid can enter possibly from the front from the lock-up clutch or involving the impeller and turbine, driving the clutch. Not like the radially straight blades used in https://erickkookg.bleepblogs.com/34709042/a-secret-weapon-for-torque-converter-clutch