The Charge of the oil tension in the lock-up clutch is done by means of two valves: the relay valve along with the signal valve. In such a arrangement the signal valve controls the pressure on a person aspect in the relay valve, which controls the tension from the lock-up https://trentonyilnm.dailyhitblog.com/39669497/not-known-factual-statements-about-torque-converter-clutch