Once from the coupling phase, the returning fluid will reverse course and now rotate during the direction with the impeller and turbine, an influence which can try and forward-rotate the stator. At this time, the stator clutch will release as well as the impeller, turbine and stator will all (roughly) https://torqueconverterclutch19517.bloggazza.com/33255945/5-tips-about-torque-converter-clutch-you-can-use-today