Passport LX 2WD V6-3.2L SOHC (6VD1) (1997)
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Thermostat: Testing and Inspection
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Suspend the thermostat in a water-filled container using thin wire. Place a thermometer next to the thermostat.
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Do not directly heat the thermostat.
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Gradually increase the water temperature. Stir the water so that the entire water is same temperature.
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Confirm the temperature when the valve first begins to open.
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Valve opening temperature is 74.5 - 78.5°C (166.1 - 173.3°F).
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Confirm the temperature when the valve is fully opened.
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Valve full open at 10 mm (0.39 inch) at temperature 90°C (194°F).
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Make necessary repair and parts replacement if extreme wear or damage is found during inspection.