The Charge of the oil stress while in the lock-up clutch is completed by two valves: the relay valve as well as sign valve. In such a arrangement the signal valve controls the pressure on a single aspect with the relay valve, which controls the tension in the lock-up clutch. https://torqueconverterclutch17272.suomiblog.com/how-torque-converter-clutch-can-save-you-time-stress-and-money-49880568