The Charge of the oil stress while in the lock-up clutch is finished by two valves: the relay valve and the signal valve. In this type of arrangement the signal valve controls the pressure on 1 side of your relay valve, which controls the force while in the lock-up clutch. https://sergioqekpr.blogunok.com/34422628/not-known-factual-statements-about-torque-converter-clutch