Oil Pump: Testing and Inspection

1. Assemble the oil pump gear to the front case and rotate it to ensure smooth rotation with no looseness.
2. Ensure that there is no ridge wear on the contact surface between the front case and the gear surface of the oil pump cover.
3. Check the side clearance
Standard value
Drive gear: 0.08 - 0.14 mm (0.004 - 0.006 inch)
Driven gear: 0.06 - 0.12 mm (0.003 - 0.004 inch)