The engagement and disengagement of your lock-up clutch depends upon the path the fluid enters the torque converter. The automated transmission fluid can enter both in the front from the lock-up clutch or amongst the impeller and turbine, powering the clutch. For more info concerning the torque converter, read also https://torque-converter-clutch75184.creacionblog.com/34062188/the-best-side-of-torque-converter-clutch