Thermostat -- Inspection |
1. INSPECT THERMOSTAT |
- HINT:
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- The valve opening temperature is inscribed on the thermostat.
Immerse the thermostat in water, and then gradually heat the water.
Check the valve opening temperature.
- Standard valve opening temperature:
- 80 to 84°C (176 to 183°F)
- If the valve opening temperature is not within the specified range, replace the thermostat.
Check the valve lift.
- Standard valve lift:
- 10.5 to 12.5 mm (0.413 to 0.496 in.) at 95°C (203°F)
Text in Illustration *1 Valve Lift - If the valve lift is not as specified, replace the thermostat.
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Check that the valve is fully closed when the thermostat temperature is below 77°C (171°F).
- If the valve is not fully closed, replace the thermostat.
- If the valve is not fully closed, replace the thermostat.