Oil Pump

LOCATION
- The oil pump (crescent oil pump) is installed behind torque converter in the converter housing and is driven by the torque converter drive flange.

TASK
- It produces the oil pressure required for the hydraulic sequences.

DESIGN
- An outer gear wheel supported eccentrically in the pump housing is located on the inner gear wheel connected to the drive flange. The crescent guides the outer gear.

FUNCTION
- When the engine is running, oil is delivered through the suction chamber along the top and bottom side of the crescent to the housing pressure chamber. The meshing of the teeth prevents oil flowing from the pressure to the suction side.

Also Refer To:
- Location Of Mechanical Components. Location of Automatic Transmission Mechanical Components