Thermostat: Testing and Inspection
THERMOSTAT INSPECTION [13B-MSP]
1. Inspect the thermostat for the following.
WARNING:
- During inspection, the thermostat and water are extremely hot and can cause severe burns. Do not touch the thermostat and water.
- The valve should not open under normal temperature.
- Opening temperature and valve lift
- If there is a malfunction, replace the thermostat.
Thermostat initial-opening temperature
- 80-84 °C {176-183 °F}
Thermostat full-open temperature
- 95 °C {203 °F}
Thermostat full-open lift
- More than 8.5 mm {0.33 in}