Stator: Situated among the pump and turbine, it redirects fluid coming back from the turbine to the pump, increasing performance by raising torque output at very low speeds. If your torque converter is faulty, it might develop sudden pressures In the torque converter, which often can result in rough idling. https://torqueconverterclutch54185.amoblog.com/5-easy-facts-about-torque-converter-clutch-described-56075627