The Charge of the oil stress inside the lock-up clutch is completed through two valves: the relay valve and also the sign valve. In this sort of arrangement the signal valve controls the stress on one particular side of the relay valve, which controls the force from the lock-up clutch. https://torque-converter-clutch17272.livebloggs.com/40661490/the-smart-trick-of-torque-converter-clutch-that-nobody-is-discussing