While using the three-passage torque converter, two passages are utilized for transmission oil (ATF) circulation throughout the torque converter and for clutch cooling, whilst the 3rd passage is used independently to control the lock and unlock on the clutch. Tough idling is another prevalent symptom of a nasty torque converter. https://stepheneloom.blogolenta.com/31205193/fascination-about-torque-converter-clutch