Disassembly and Assembly: Assembly

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

CAUTION: Before assembly, apply new engine oil to the parts as instructed in the figure.

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

Fig 1: Identifying Oil Pump Inner Rotor Components
Courtesy of NISSAN NORTH AMERICA, INC.
When installing oil pump, align crankshaft flat faces with oil pump inner rotor flat faces.