S (stall issue): On this stage the turbine pace is zero as well as impeller is rotating; the efficiency from the stall issue is minimal, all over fifty%, which means that fifty percent of the ability coming from the engine is misplaced by way of friction and dissipated as warmth; https://zionvbcca.pages10.com/5-simple-statements-about-torque-converter-clutch-explained-69586082