2025 Subaru Forester Radiator Fan Isn't Working

Radiator fan not working in 2025 Subaru Forester: causes and solutions

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Reviewed by
Bo Fader
Written by RepairPal Car Genius
Updated January 14, 2025
0%
34% chance it's the
Fan Motor or Clutch
0%
28% chance it's the
Fan Relay or Fuse
0%
23% chance it's the
Temp Sensor or Fan Control Module
0%
15% chance it's
Something else
The most common reasons a 2025 Subaru Forester radiator fan isn't working are the fan assembly, the fan clutch, or the coolant temperature sensor.
  • Fan Motor or Clutch: A faulty fan motor or a malfunctioning fan clutch can result in inadequate cooling, causing the engine to overheat.
  • Fan Relay or Fuse: A faulty fan relay or blown fuse can prevent the cooling fan from operating, leading to engine overheating.
  • Temp Sensor or Fan Control Module: A faulty temperature sensor or fan control module can result in incorrect readings, causing the engine to overheat or the cooling fan to operate improperly.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

What are the steps to diagnose the non-functioning radiator fan in a 2025 Subaru Forester?

To effectively diagnose a non-functioning radiator fan in your 2025 Subaru Forester, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by examining the fuse associated with the radiator fan; a blown fuse is a common and easily fixable issue that can halt fan operation. If the fuse is intact, proceed to inspect the relay, as a malfunctioning relay can also prevent the fan from activating. Next, test the fan motor directly by applying power to it; if it fails to operate, the motor may need replacement. Additionally, check the temperature sensor, which is vital for triggering the fan when the engine reaches a certain temperature. Ensure that all wiring and connections are secure and free from damage, as loose or frayed wires can disrupt the fan's functionality. Finally, utilize a diagnostic tool to scan for any trouble codes that may provide insight into the problem. By following this structured diagnostic approach, you can efficiently identify and resolve the issue with your radiator fan.

What are the common problems that could cause the radiator fan to stop working in a 2025 Subaru Forester?

When diagnosing why the radiator fan in a 2025 Subaru Forester has stopped working, it's crucial to consider several common problems that could be at play. A faulty fan motor is often the primary suspect, as it can fail to spin and thus fail to cool the engine effectively. Additionally, a blown fuse in the fan circuit can interrupt the power supply, rendering the fan inoperative. Inspecting the fan blades is also important; any damage or breakage can hinder air circulation, leading to overheating. Furthermore, a malfunctioning temperature sensor may not activate the fan when necessary, exacerbating the risk of engine overheating. Lastly, wiring issues can disrupt the electrical connection between the fan and the vehicle's system, preventing it from receiving the power it needs to function. Addressing these issues promptly is essential to maintain engine health, and regular maintenance checks can help catch these problems early, ensuring your Subaru Forester runs smoothly.

How urgent is it to repair the non-functioning radiator fan in a 2025 Subaru Forester to prevent engine overheating?

Repairing a non-functioning radiator fan in a 2025 Subaru Forester is an urgent matter that should not be overlooked. The radiator fan is essential for regulating the engine's temperature by dissipating heat generated during operation. When this component fails, the engine is at risk of overheating, which can lead to severe damage, including blown head gaskets and damaged pistons. Such repairs can be costly and time-consuming, not to mention the potential for complete engine failure if the issue is ignored for too long. Additionally, a malfunctioning radiator fan can compromise the overall performance and efficiency of your vehicle, making it crucial to address this problem promptly. By prioritizing the repair of your radiator fan, you not only safeguard your engine from significant damage but also ensure that your Subaru Forester operates smoothly and efficiently.

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