The control of the oil pressure during the lock-up clutch is finished by two valves: the relay valve plus the signal valve. In this sort of arrangement the sign valve controls the tension on one facet of your relay valve, which controls the strain inside the lock-up clutch. By default, https://torqueconverterclutch42850.dm-blog.com/34268202/helping-the-others-realize-the-advantages-of-torque-converter-clutch