Even a negligible volume of oil in utilize, under centrifugal drive of rotation can begin to press the piston and drag the clutch. Figure 6 illustrates several of the variables amongst two- and a few-path converters. Inside of a two-passage torque converter clutch actuation system (as in the images over), https://brooksxeebx.laowaiblog.com/33229271/new-step-by-step-map-for-torque-converter-clutch