Del Sol Si VTEC L4-1590cc 1.6L DOHC (VTEC) MFI (1997)
Thermostat: Testing and Inspection
TESTING
NOTE: Replace the thermostat if it is open at room temperature.
To test a closed thermostat:
1. Suspend the thermostat in a container of water as shown.
2. Heat the water and check the temperature with a thermometer. Check the temperature at which the thermostat first opens and at full lift.
CAUTION: Do not let the thermometer touch the bottom of the hot container.
3. Measure the lift height of the thermostat when it's fully open.
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STANDARD THERMOSTAT
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Starts opening: 169-176°F (76-80°C)
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Fully open: 194°F (90°C)
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Lift height: above 8.0 mm (0.31 inch)