Using the three-passage torque converter, two passages are used for transmission oil (ATF) circulation from the torque converter and for clutch cooling, when the 3rd passage is utilised independently to regulate the lock and unlock in the clutch. The torque converter, typically concealed throughout the depths of one's automated transmission, https://brooksfoqrs.liberty-blog.com/34376847/the-smart-trick-of-torque-converter-clutch-that-nobody-is-discussing