Along with the 3-passage torque converter, two passages are utilized for transmission oil (ATF) circulation through the torque converter and for clutch cooling, although the third passage is employed independently to control the lock and unlock in the clutch. A torque converter clutch solenoid is actually a specialized electromagnetic product https://torque-converter-clutch05814.bloggadores.com/33183556/torque-converter-clutch-for-dummies