The engagement and disengagement in the lock-up clutch will depend on the direction the fluid enters the torque converter. The automatic transmission fluid can enter both from the entrance of the lock-up clutch or between the impeller and turbine, behind the clutch. To find out more regarding the torque converter, https://torqueconverterclutch53950.fitnell.com/75039549/the-best-side-of-torque-converter-clutch