WARNING: This page is about a different car, the 2014 Nissan Versa. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Exploded View Of Water Outlet (M/T Models) With Torque Specifications
Courtesy of NISSAN NORTH AMERICA, INC.
Fig 2: Exploded View Of Water Outlet (CVT And A/T Models) With Torque Specifications