WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Exploded View Of Power Steering Oil Pump With Torque Specifications
Courtesy of NISSAN NORTH AMERICA, INC.
NOTE:
When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spilling.