Thermostat Inspection

WARNING: This page is about a different variant/trim than selected.

Remove the thermostat. (See THERMOSTAT REMOVAL/INSTALLATION .)
Visually check that the thermostat valve is closed.
Place the thermostat in water.
WARNING:
- During inspection, the thermostat and water are extremely hot and can cause severe burns. Do not touch the thermostat and water.
Heat the water and check the following.
- Opening temperature and valve lift
  - If there is a malfunction, replace the thermostat. (See THERMOSTAT REMOVAL/INSTALLATION .)
Thermostat initial-opening temperature
- 79.5-83.3 °C {176-181 °F}
Thermostat full-open temperature
- 94.5 °C {202 °F}
Thermostat full-open lift
- More than 8.1 mm {0.32 in}