COOLING AND LUBRICATION SYSTEM 6-13
• 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.
INSTALLATION
• 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 cap

1.
NOTE:
The rib

A
of the thermostat case cap should be faced upward.
• Tighten the thermostat case bolts to the specified torque.
$ Thermostat case bolt: 10 N·m (1.0 kgf-m, 7.0 lb-ft)
• Pour engine coolant. (#2-18)
• Bleed air from the cooling circuit. (#2-19)
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