Together with the 3-passage torque converter, two passages are utilized for transmission oil (ATF) circulation with the torque converter and for clutch cooling, while the 3rd passage is applied independently to control the lock and unlock of the clutch. Within the closed posture, the torque converter clutch lowers fluid shipping https://sergiofnppn.blogpayz.com/34325348/torque-converter-clutch-for-dummies