When from the coupling phase, the returning fluid will reverse direction and now rotate inside the course of the impeller and turbine, an result that may attempt to forward-rotate the stator. At this time, the stator clutch will launch and the impeller, turbine and stator will all (kind of) change https://torqueconverterclutch30516.ampedpages.com/little-known-facts-about-torque-converter-clutch-61198922