With the a few-passage torque converter, two passages are useful for transmission oil (ATF) flow throughout the torque converter and for clutch cooling, though the 3rd passage is used independently to control the lock and unlock from the clutch. Stall. The prime mover is applying electricity for the impeller but https://torqueconverterclutch75296.blogozz.com/33118111/torque-converter-clutch-fundamentals-explained