Engine Cooling: Thermostat: Testing
Place thermostat with a thermometer in a pan of water. Heat water and see if thermostat opens at 181°-189°F. Then place thermostat in cold water and see if it closes. Replace thermostat if defective.
Place thermostat with a thermometer in a pan of water. Heat water and see if thermostat opens at 181°-189°F. Then place thermostat in cold water and see if it closes. Replace thermostat if defective.