toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Thermostat, Engine Cooling|Specifications|Page 1087 > < Thermostat, Engine Cooling|Specifications
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Thermostat: Testing and Inspection

INSPECT THERMOSTAT

HINT: The thermostat is numbered with the valve opening temperature.

(a)  Immerse the thermostat in water and gradually heat the water.
(b) Check the valve opening temperature.

Valve opening temperature: 80 - 84°C (176 - 183°F)

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If the valve opening temperature is not as specified, replace the thermostat.

(c)  Check the valve lift.

Valve lift: 8 mm (0.31 in.) or more at 95°C (203°F)

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If the valve lift is less than specification, replace the thermostat.

Thermostat, Engine Cooling|Specifications|Page 1087 > < Thermostat, Engine Cooling|Specifications