Along with the 3-passage torque converter, two passages are used for transmission oil (ATF) flow in the torque converter and for clutch cooling, while the third passage is applied independently to control the lock and unlock in the clutch. At these speeds, the fluid truly strikes the back sides on https://torqueconverterclutch93680.therainblog.com/32898112/5-simple-statements-about-torque-converter-clutch-explained