How do you test a vehicle thermostat

How to Replace Your Vehicle's Thermostat - dummies

Thermostat Replacement - NAPA Auto Parts

Stant 13948 Thermostat - 180 Degrees Fahrenheit

$45.64
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  • Some automobile passenger heating systems have a thermostatically controlled valve to regulate the water flow and temperature to an adjustable level. In older vehicles the thermostat controls the application of engine vacuum to actuators that control water valves and flappers to direct the flow of air. In modern vehicles, the vacuum actuators may be operated by small under the control of a central computer.

    Some automobile passenger heating systems have a thermostatically controlled valve to regulate the water flow and temperature to an adjustable level. In older vehicles the thermostat controls the application of engine vacuum to actuators that control water valves and flappers to direct the flow of air. In modern vehicles, the vacuum actuators may be operated by small under the control of a central computer.

Car Care: How to Replace a Thermostat | The Family Handyman