Oil Pump: Assembly

WARNING: This page is about a different car, the 2013 Infiniti M37. However, it is still accessible from the selected car via links, so may be relevant.

Note the following, and assemble in the reverse order of disassembly.

Install oil pump inner rotor with the groove faced to oil pump cover side.

Fig 1: Identifying Oil Pump Body And Cover Side With Groove
Courtesy of NISSAN NORTH AMERICA, INC.