Thermostat and Water Control Valve

Install the thermostat and water control valve with the whole circumference of each flange fitting securely inside the rubber ring. (The example in the figure shown is the thermostat.)

Fig 1: Locating Rubber Ring & Thermostat Flange
Courtesy of NISSAN MOTOR CO., U.S.A.
Install the thermostat with the jiggle-valve facing upwards. (The position deviation may be within the range of +/- 10°)

Fig 2: Installing Thermostat With Jiggle-Valve & Water Control Valve

Courtesy of NISSAN MOTOR CO., U.S.A.

Install the water control valve with the up-mark facing up and the frame center part facing upwards. The position deviation may be within the range of +/- 10° of vertical.