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Home >> Mercedes Benz >> 2008 >> C350 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - Basic Knowledge - C63/C350 (204) >> Basic Knowledge >> Torque converter lockup clutch control pressure, function - GF27.60-P-3019CWQ

Torque converter lockup clutch control pressure, function - GF27.60-P-3019CWQ

TRANSMISSION 722.9 in MODEL 204.0 up to Model Year 8 

The torque converter lockup clutch is operated at specified slip speeds. In order to make this possible, the 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 valve (Y3/8y8) which is actuated by the fully integrated transmission control unit (Y3/8n4).

  Control solenoid valve component description Working pressure control solenoid valve GF27.19-P-5147CWA 
    Clutch control solenoid valve K1 GF27.19-P-5147CWB 
    Clutch control solenoid valve K2 GF27.19-P-5147CWC 
    Clutch control solenoid valve K3 GF27.19-P-5147CWD 
    Multidisk brake control solenoid valve B1 GF27.19-P-5147CWE 
    Multidisk brake control solenoid valve B2 GF27.19-P-5147CWF 
    Multidisk brake control solenoid valve B3 GF27.19-P-5147CWG 
    Torque converter lockup clutch control solenoid valve GF27.19-P-5147CWH 
  Torque converter lockup clutch, component description   GF27.20-P-5102CWQ 
  VGS control unit, component description   GF27.19-P-4016CWQ