Location / task / design / function of oil pump - GF27.10-P-5103G
WARNING: This page does not describe the selected car, but rather 42 other vehicles, including the 1999 Mercedes-Benz S600, 1999 Mercedes-Benz S500, 1999 Mercedes-Benz S420, 1999 Mercedes-Benz S320, and 1999 Mercedes-Benz CL600. However, it is still accessible from the selected car via links, so may be relevant.
TRANSMISSION 722.6
| Oil pump, location | The oil pump (crescent-type pump) (6) is installed in the torque converter housing behind the torque converter and is driven by the drive flange of the torque converter. | ||
| Oil pump, task | To produce the necessary oil pressure for the hydraulic sequences. | ||
| Oil pump, design | An external gear (6a) which is mounted eccentrically in the pump housing in located on the internal gear (6b) which is connected to the drive flange (6b). The crescent (6c) drives the external gear (6a). | ||
| Oil pump, function | When the engine is running oil is delivered through the suction gallery (6e) along the top and bottom side of the crescent (6c) to the pressure chamber (6d) of the housing. The meshing of the teeth prevents oil from flowing from the pressure side to the suction side. |