WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
Rear Suspension
Fig 1: Rear Suspension Assembly Replacement Components With Torque Specifications
Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 2: Rear Load Leveling Air Suspension System Replacement Components With Torque Specifications