mitsubishi Workshop Repair Guides

Mitsubishi Workshop Service and Repair Manuals

Water Pump > < Thermostat, Engine Cooling|Specifications|Page 1545
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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 compare 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) or more

Water Pump > < Thermostat, Engine Cooling|Specifications|Page 1545