Oil Pump Assembly Removal and Installation: Notes
WARNING: This page is about a different car, the 2011 Suzuki SX4. However, it is still accessible from the selected car via links, so may be relevant.
Reference: OIL PUMP ASSEMBLY COMPONENTS
CAUTION:
Don't remove sprocket and inner rotor from oil pump, otherwise damage of oil pump center shaft and abnormal operation of oil pump could result.