The Charge of the oil strain while in the lock-up clutch is finished by two valves: the relay valve along with the signal valve. In this type of arrangement the sign valve controls the pressure on one facet on the relay valve, which controls the stress from the lock-up clutch. https://torqueconverterclutch09730.anchor-blog.com/14564062/the-definitive-guide-to-torque-converter-clutch