Celica Coupe L4-132 2164cc 2.2L DOHC (5S-FE) (1992)
Thermostat: Testing and Inspection
NOTE: The thermostat is numbered with the valve opening temperature.
1. Immerse the thermostat in water and gradually heat the water.
2. Check the valve opening temperature.
Valve opening temperature: 80-84°C (176-183°F)
If the valve opening temperature is not as specified, replace the thermostat.
3. Check the valve lift.
Valve lift: 8 mm (0.31 in.) or more at 95°C (203°F)
If the valve lift is not as specified, replace the thermostat.
4. Check that the valve spring is tight when the thermostat is fully closed.
If not closed, replace the thermostat.