Nissan Altima HL32 Hybrid. Manual - part 180
WATER CONTROL VALVE
CO-23
< ON-VEHICLE REPAIR >
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INSPECTION AFTER REMOVAL
• Place a thread so that it is caught in the valve of the water control
valve. Immerse fully in a container filled with water. Heat while stir-
ring.
• The valve opening temperature is the temperature at which the
valve opens and the falls from the thread.
• Continue heating. Check the full-open lift amount.
NOTE:
The full-open lift amount standard temperature for the water con-
trol valve is the reference value.
• After checking the full-open lift amount, lower the water tempera-
ture and check the valve closing temperature.
Standard values
INSTALLATION
Installation is in the reverse order of removal.
• Install the engine coolant temperature sensor.
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-15, "Recommended Chemical Products
• Install the water control valve with the whole circumference of the flange part fitting securely inside the rub-
ber ring.
• 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°.
• Use a new gasket and O-ring for installation.
SLC252B
Water Control Valve
Standard Value
Valve opening temperature
93.5
° - 96.5°C (200° - 206°F)
Full-open lift amount
More than 8 mm / 108
°C (0.315 in / 226° F)
Valve closing temperature
90
°C (194° F) or higher