COOLING AND LUBRICATION SYSTEM 8-15
• Keep on heating the water to raise its temperature.
• Just when the water temperature reaches specified value, the
thermostat valve should have lifted by at least 8.0 mm (0.31 in).
Thermostat valve lift
Standard: Over 8.0 mm at 100°C
(Over 0.31 in at 212°F)
• A thermostat failing to satisfy either of the two requirements
(start-to-open temperature and valve lift) must be replaced
with a new one.
INSTALLATION
Install the thermostat in the reverse order of removal.
• Apply engine coolant to the rubber seal on the thermostat.
• Install the thermostat.
NOTE:
The jiggle valve
A of the thermostat faces upside.
• Install the thermostat case.
• Pour engine coolant. (2-21)
• Bleed air from the cooling circuit. (2-21)
Valve lift
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