The Charge of the oil stress during the lock-up clutch is done through two valves: the relay valve and the signal valve. In this type of arrangement the signal valve controls the tension on a single aspect from the relay valve, which controls the pressure within the lock-up clutch. By https://torque-converter-clutch63940.blogsumer.com/33446958/the-best-side-of-torque-converter-clutch