When while in the coupling period, the returning fluid will reverse course and now rotate while in the path from the impeller and turbine, an impact which can try to forward-rotate the stator. At this point, the stator clutch will release and the impeller, turbine and stator will all (roughly) https://torqueconverterclutch28495.blogerus.com/56399241/the-smart-trick-of-torque-converter-clutch-that-nobody-is-discussing