Installation of Thermostat

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.

Install the thermostat with the whole circumference of each flange part fit securely inside the rubber ring as shown in Fig 1.
Install the thermostat with the jiggle valve facing upwards.

Fig 1: Installing Thermostat (Jiggle Valve Facing Upward)
Courtesy of NISSAN MOTOR CO., U.S.A.