The Charge of the oil tension in the lock-up clutch is done through two valves: the relay valve as well as sign valve. In such a arrangement the sign valve controls the force on one particular side of the relay valve, which controls the force inside the lock-up clutch. By https://juliustxyyw.blogofchange.com/34847870/new-step-by-step-map-for-torque-converter-clutch