By mechanically linking the turbine for the pump, it produces a ‘lock-up’ affliction, essentially transforming the fluid coupling into a rigid coupling, akin into a locked manual transmission clutch. If your torque converter is defective, it might make unanticipated pressures In the torque converter, that may result in rough idling. https://torqueconverterclutch41840.buyoutblog.com/34214315/everything-about-torque-converter-clutch