Operation CHARM: Car repair manuals for everyone.

Thermostat: Testing and Inspection

THERMOSTAT INSPECTION
1. Visually check that the thermostat valve is closed.
2. Place the thermostat and a thermometer in water.

Warning: During inspection, the thermostat and water are extremely hot and they can badly burn. Do not touch the thermostat and water directly.








3. Heat the water and check the information above.
- If not as specified, replace the thermostat.