Along with the 3-passage torque converter, two passages are useful for transmission oil (ATF) movement throughout the torque converter and for clutch cooling, though the 3rd passage is used independently to manage the lock and unlock on the clutch. This may range between small fluid concentrations or a malfunctioning cooling https://torque-converter-clutch31862.blogdemls.com/34141246/torque-converter-clutch-for-dummies