mitsubishi Workshop Repair Guides

Mitsubishi Eclipse V6-30L SOHC Workshop Service and Auto Repair Manuals

Water Pump > < Engine Controls - Hard Hot Start/Rough Idle|Page 1599
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1. Immerse the thermostat in water, and heat the water while stirring. Check the thermostat valve opening temperature.

Standard value: 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 compare the valve height when the
thermostat is fully open.

Standard value

Water Pump > < Engine Controls - Hard Hot Start/Rough Idle|Page 1599