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What is the temperature of the thermostat on a Ford?

The temperature of the thermostat on a Ford vehicle is an important factor in maintaining the engine's optimal operating temperature. The thermostat plays a crucial role in regulating the flow of coolant through the engine, ensuring that the engine reaches and maintains its ideal operating temperature.


What is the Thermostat's Function?


The thermostat in a Ford vehicle is a temperature-sensitive valve that controls the flow of coolant between the engine and the radiator. When the engine is cold, the thermostat is closed, preventing the coolant from circulating and allowing the engine to reach its optimal operating temperature quickly. Once the engine reaches the desired temperature, the thermostat opens, allowing the coolant to flow through the radiator and dissipate the excess heat, preventing the engine from overheating.


Typical Thermostat Temperatures in Ford Vehicles


The typical thermostat temperature in a Ford vehicle is around 195°F (91°C) to 205°F (96°C). This temperature range is designed to ensure that the engine reaches and maintains its optimal operating temperature, which is typically between 195°F (91°C) and 220°F (104°C).


It's important to note that the exact thermostat temperature may vary depending on the specific Ford model, engine size, and other factors. Some Ford vehicles may have thermostats with slightly different temperature ranges, such as 180°F (82°C) to 195°F (91°C) or 205°F (96°C) to 215°F (102°C).


Symptoms of a Malfunctioning Thermostat


If the thermostat in a Ford vehicle is not functioning correctly, it can lead to various issues, such as:



  • Slow engine warm-up: If the thermostat is stuck in the open position, the engine may take longer to reach its optimal operating temperature, leading to reduced fuel efficiency and increased emissions.

  • Overheating: If the thermostat is stuck in the closed position, the engine may overheat, causing damage to various engine components.

  • Fluctuating temperature: If the thermostat is not opening and closing properly, the engine temperature may fluctuate, leading to inconsistent performance and potential engine damage.


If you suspect that the thermostat in your Ford vehicle is not functioning correctly, it's essential to have it inspected and replaced by a qualified mechanic to prevent further damage to the engine.

Is 230 degrees to hot for an engine?


230°F (110°C) is within the normal operating range for engine oil in many vehicles. Most oils function optimally between 195°F and 250°F (90°C-121°C). However, sustained temperatures above 250°F (121°C) can accelerate oil breakdown, reduce viscosity, and increase engine wear risk.



Is a 180 or 195 thermostat better?


A 180-degree thermostat opens earlier, allowing coolant to flow sooner to keep the engine cooler, while a 195-degree thermostat lets the engine run hotter before opening. For most modern vehicles, the 195-degree thermostat is recommended as it is designed for the engine's stock efficiency and emissions control. However, a 180-degree thermostat is suitable for performance or modified engines where cooler temperatures are desired, provided the cooling system is adequate to handle the heat. 

Feature 180-Degree Thermostat 195-Degree Thermostat
Operating Temperature Allows coolant to flow at 180°F, keeping the engine temperature lower. Allows coolant to flow at 195°F, letting the engine run hotter.
Engine Efficiency Can be less efficient, as some fuel may not burn completely at lower temperatures, but can reduce detonation risk. Optimized for stock efficiency and emissions control.
Performance Better for performance or modified engines that run hot, and provides a larger buffer against overheating. Stock temperature for most modern cars; higher temps can lead to better fuel burn.
Overheating If an engine overheats with a 195-degree thermostat, it will also overheat with a 180-degree one, as overheating is a separate issue with the cooling system. If an engine runs fine with a 195-degree thermostat, a 180-degree may lead to it running slightly cooler without issues.
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When to use which thermostat
  • Use the 195-degree thermostat: 
    • For most modern cars to maintain designed efficiency and emissions performance. 
    • If you want the engine to run at its optimal operating temperature for the vehicle's design. 
  • Use the 180-degree thermostat: 
    • In performance or modified engines where cooler running temperatures are beneficial. 
    • If you have a stock engine that runs hotter than the stock thermostat's operating temperature, as it provides a larger buffer. 



What temperature thermostat for F150?


Cooler temperature.
The factory thermostat is a hot 190-degreeF. This thermostat opens to start circulating coolant at 160-degreeF, helping to control temperature quicker.



What is the normal temperature for a thermostat?


A normal and comfortable thermostat setting is typically between 68 and 72 degrees Fahrenheit, while the most energy-efficient settings are often higher in the summer and lower in the winter. For optimal energy savings, set the thermostat to around 78°F in summer and 65-68°F in winter when at home, adjusting it even higher or lower when away or sleeping to reduce costs.
 
For comfort (at home during the day)

  • Summer: 70–78°F
  • Winter: 68–72°F 

For energy savings (when away or sleeping)
  • Summer: 78°F while home, 82–85°F when sleeping or away 
  • Winter: 65–68°F while sleeping, adjust a few degrees lower when away 

Other considerations
  • Sleeping: A cooler environment, around 60–67°F, is often recommended for better sleep. 
  • Personal preference: Adjust settings based on your personal comfort level.
  • System limitations: Ensure your HVAC system can handle the settings, as an AC unit may struggle to cool below 15–20°F of the outdoor temperature. 


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.