mitsubishi Workshop Repair Guides

Mitsubishi Workshop Service and Repair Manuals

Thermostat Housing, Engine Cooling > < Mechanical Specifications|Page 1788
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Valve opening temperature: 88 ± 1.5°C (190 ± 3°F) 

2. Check that the amount of valve lift is at the standard value when the water is at the full-opening temperature.

NOTE:  Measure the valve height when the thermostat is fully closed, and use this measurement to calculate the valve height when the thermostat
is fully open.

Standard value:
Full-opening temperature: 100°C (212°F) 
Amount of valve lift: 10 mm (0.39 inch) 

Thermostat Housing, Engine Cooling > < Mechanical Specifications|Page 1788