What temperature should a Subaru thermostat be?
The recommended thermostat temperature for a Subaru vehicle is typically 195°F (91°C). This is the standard operating temperature for most Subaru engines, as it helps maintain optimal engine performance and fuel efficiency.
Understanding Subaru Thermostat Temperatures
The thermostat in a Subaru plays a crucial role in regulating the engine's operating temperature. It is responsible for controlling the flow of coolant through the engine, ensuring the engine reaches and maintains its ideal operating temperature. The 195°F (91°C) thermostat setting is the recommended temperature for most Subaru models, as it allows the engine to warm up quickly and then maintain a consistent temperature during normal driving conditions.
Maintaining the proper thermostat temperature is important for several reasons:
- Improved Fuel Efficiency: A properly functioning thermostat helps the engine reach its optimal operating temperature, which can improve fuel efficiency and reduce emissions.
- Enhanced Engine Performance: When the engine is at the correct temperature, it can operate more efficiently, leading to better power output and responsiveness.
- Reduced Wear and Tear: Running the engine at the recommended temperature helps minimize wear and tear on internal components, extending the engine's lifespan.
It's important to note that some Subaru models may have slightly different recommended thermostat temperatures, so it's always best to refer to your owner's manual or consult with a Subaru-certified technician for the specific recommendations for your vehicle.
Symptoms of a Faulty Subaru Thermostat
If the thermostat in your Subaru is not functioning correctly, you may notice the following symptoms:
- Slow Engine Warm-Up: If the thermostat is stuck open, the engine may take longer to reach its optimal operating temperature, leading to reduced fuel efficiency and performance.
- Overheating: If the thermostat is stuck closed, the engine may overheat, causing damage to various components and potentially leading to more serious issues.
- Fluctuating Temperature Gauge: A faulty thermostat may cause the engine temperature gauge to fluctuate erratically, indicating an issue with the thermostat's ability to regulate the coolant flow.
If you suspect a problem with your Subaru's thermostat, it's important to have it inspected and replaced by a qualified Subaru technician as soon as possible to prevent further damage to your engine.
Is a 160 degree thermostat better than a 180 degree thermostat?
A 180-degree thermostat is better for engine efficiency—aka better fuel mileage and decreased emissions. A 160-degree thermostat is designed to maintain a lower engine operating temperature, which tends to make a little bit more horsepower and torque.
What are the signs of a failing thermostat?
What Are the Signs of a Bad or Broken Thermostat?
- The AC or Furnace Won't Come On.
- The HVAC System Won't Turn Off.
- The Thermostat Is Unresponsive.
- The HVAC System Short-Cycles.
- The Room Temperature Doesn't Match the Thermostat Setting.
- The Programmed Settings Reset Themselves.
- Check and Adjust the Settings.
What is the symptoms of a bad failing thermostat?
A bad thermostat can be detected when your AC or furnace is not turning on, your HVAC systems are not turning off, the thermostat not responding, your HVAC system is short-cycling, the room temperature not matching the temperature displayed on the thermostat, and the programmed setting resetting themselves.
How to tell if a Subaru engine is overheating?
How To Know If Your Subaru Engine Is Overheating
- Monitor the Temperature Gauge.
- Warning Lights or Messages.
- Steam or Smoke from the Engine.
- Unusual Smells or Odors.
- Loss of Engine Power or Performance.
- Coolant Leaks or Low Coolant Levels.
Are Subarus prone to overheating?
Subaru vehicles have gained immense popularity among car enthusiasts for their reliability, performance, and versatility. However, like any other automobile, Subarus can encounter certain issues, with overheating being a common concern.
Do subarus have two thermostats?
And you got this little itty bitty baby one what's that about well modern subarus. Again most of them not all of them. Have two thermostats. One is for your engine coolant. And one is for your cvt.
What is the temperature of the thermostat on a Subaru?
RCM Thermostat opening starts at 70°C (158°F) and is fully open at 90°C. OEM Opening starts at 90°C (194°F) and is fully open at 95°C.
How long does Subaru thermostat last?
A car thermostat is designed to last a long time – typically around 100,000 miles or 10 years. However, various factors can impact its lifespan. First, driving conditions play a role. If you regularly drive in hot weather or stop-and-go traffic, your thermostat may suffer additional stress.
What temperature should my engine thermostat be?
around 190 to 225 degrees Fahrenheit
Experts tend to agree the optimal engine temperature is around 190 to 225 degrees Fahrenheit.
How do I know if my Subaru thermostat is bad?
Strange Sounds and Temperature Changes
You may hear rumbling, boiling, or knocking coming from the radiator. All these signs point to an issue with your car's cooling system. The thermostat also affects the temperature of air that flows in your vehicle through the vents.
