S (stall place): During this stage the turbine pace is zero as well as impeller is rotating; the performance in the stall position is minimum, close to 50%, which means that half of the power coming within the engine is misplaced as a result of friction and dissipated as heat; https://torque-converter-clutch36926.ttblogs.com/13641269/the-5-second-trick-for-torque-converter-clutch