Cube L4-1.8L (MR18DE) (2010)
Thermostat: Procedures
Thermostat
THERMOSTAT
Inspection
INSPECTION AFTER REMOVAL
Thermostat
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Place a thread (A) so that it is caught in the valves of thermostat (1). Immerse fully in a container (B) filled with water. Heat while stirring.
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The valve opening temperature is the temperature at which the valve opens and falls from the thread.
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Continue heating. Check the full open valve lift amount.
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After checking the maximum valve lift amount, lower the water temperature and check the valve closing temperature.
Standard: See: Specifications/Thermostat
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If out of the standard, replace thermostat.
INSPECTION AFTER INSTALLATION
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Check for leakage of engine coolant using the radiator cap tester adapter (commercial service tool) and the radiator cap tester (commercial service
tool). See: Coolant/Service and Repair/Inspection.
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Start and warm up the engine. Check visually that there is no leakage of engine coolant.
Water Control Valve
WATER OUTLET
Inspection
INSPECTION AFTER REMOVAL
Water Control Valve
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Place a thread (A) so that it is caught in the valves of water control valve (1). Immerse fully in a container (B) filled with water. Heat while
stirring.
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The valve opening temperature is the temperature at which the valve opens and falls from the thread.
-
Continue heating. Check the continuous valve lifting toward maximum valve lift.
NOTE: