The Charge of the oil tension inside the lock-up clutch is finished through two valves: the relay valve as well as signal valve. In this kind of arrangement the sign valve controls the strain on just one facet with the relay valve, which controls the force from the lock-up clutch. https://torqueconverterclutch87395.mpeblog.com/60014347/the-2-minute-rule-for-torque-converter-clutch