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Home >> Mercedes Benz >> 2019 >> C300 4Matic, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 342 (Automatic Transmission - 253 Chassis 1 Of 3) >> Basic Knowledge >> Torque Converter Lockup Clutch Control Pressure, Function - GF27.60-P-3019ANI

Torque Converter Lockup Clutch Control Pressure, Function - GF27.60-P-3019ANI

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Transmission 725.0 (except 725.096) in model 253 

Function requirements, general 

Torque converter lockup clutch control pressure, general 

The torque converter lockup clutch is operated at specified slip speeds. In order to make this possible, variable control pressure has to be applied to the torque converter lockup clutch regulating valve. The torque converter lock-up clutch control pressure is adapted to the respective operating condition via the torque converter lockup clutch control solenoid (Y3/8y20), which is actuated by the fully integrated transmission control unit (Y3/8n4).

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