Control solenoid valve component description - GF27.19-P-5147GB

TRANSMISSION 722.9 in MODEL 164.1 /8, 216, 221, 251.0 /1 up to Model Year 8 Adjustment solenoid clutch K1

Fig 1: Identifying Control Solenoid Valve Components

Courtesy of MERCEDES-BENZ USA

Location

The K1 clutch control solenoid valve (VGS) is mounted on the electric control unit (VGS).

Fig 2: Identifying Control Solenoid Valve Components Location

Courtesy of MERCEDES-BENZ USA

Task

The K1 clutch control solenoid valve (VGS) is actuated by the fully integrated transmission control (VGS) control unit and influences the position of the K1. regulating valve. The pressure in the K1 multi-disk clutch depends on the position of the regulating valve and thus on the geometry of the K1 regulating valve. The K1 clutch control solenoid valve (VGS) has a rising characteristic.

This means that the oil pressure applied in the K1 regulating valve increases as the actuation current increases. In limp-home mode of the fully integrated transmission control (VGS) all the control solenoid valves are de-energized. The K1 clutch control solenoid valve (VGS) thus supplies no pressure.

Body

In the K1 clutch control solenoid valve (VGS) a proportional solenoid converts the electrical signals from the fully integrated transmission control (VGS) control unit (Y3/8n4). The float needle can also be moved into intermediate positions as a result.

Function

The K1 clutch control solenoid valve (VGS) assigns a proportional pressure to the current which is controlled by the fully integrated transmission control (VGS) control unit.