Using the 3-passage torque converter, two passages are used for transmission oil (ATF) stream through the torque converter and for clutch cooling, when the third passage is utilised independently to manage the lock and unlock with the clutch. On the other hand,  I strongly suggest versus ignoring these troubles. Driving https://manuelwwtqm.ltfblog.com/32937519/an-unbiased-view-of-torque-converter-clutch