infiniti Workshop Repair Guides

Infiniti Workshop Service and Repair Manuals

Thermostat, Engine Cooling|Specifications|Page 4106 > < Thermostat, Engine Cooling|Specifications
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Thermostat: Testing and Inspection

INSPECTION AFTER REMOVAL

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Place a thread so that it is caught in the valve of the thermostat. Immerse fully in a container 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 lift amount.

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After checking the full-open lift amount, lower the water temperature and check the valve closing temperature.

Standard Values

INSPECTION AFTER INSTALLATION

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Check for leaks of the engine coolant. Refer to "CHECKING COOLING SYSTEM FOR LEAKS".

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Start and warm up the engine. Visually check for leaks of the engine coolant.

Thermostat, Engine Cooling|Specifications|Page 4106 > < Thermostat, Engine Cooling|Specifications