Location/task/design/function of oil pump - GF27.10-P-5103N
TRANSMISSION 722.9 in MODEL 171.4, 203, 230 up to Model Year 8
TRANSMISSION 722.9 in MODEL 209, 211, 215, 219, 220
TRANSMISSION 722.9 in MODEL 463.303/340/341
| 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 oil pressure required 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. |