Subaru XT Radiator Fan Isn't Working

Diagnosing the Causes of a Non-Functional Radiator Fan in Your Subaru XT and How to Fix It

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Reviewed by
Andrew Hajjar
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 Subaru XT 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.

Troubleshooting Radiator Fan Issues in a Subaru XT

When troubleshooting radiator fan issues in your Subaru XT, it's essential to adopt a systematic diagnostic approach. Start by checking the simplest potential causes, such as ensuring that the fan power connectors are secure and that the fuses related to the cooling fan are intact. If these components are functioning correctly, inspect the radiator for any signs of damage or improper connections, as these can affect fan operation. Next, verify the coolant levels; low coolant can indicate leaks that may impact engine temperature regulation and fan activation. Pay close attention to the wiring and sensors, particularly the engine coolant temperature sensor, as these play a crucial role in fan control. If the fan still does not operate, consider manually testing it by connecting it directly to the power source to confirm its functionality. By following this structured approach, you can effectively diagnose and resolve radiator fan issues, ensuring your Subaru XT runs smoothly and efficiently.

What Are the Common Causes of a Non-Working Radiator Fan in a Subaru XT?

When dealing with a non-working radiator fan in a Subaru XT, it's essential to understand the common problems that could be at play. One of the first things to check is the fuse; a blown fuse can easily disrupt the fan's operation, making it a straightforward fix. Next, consider the relay, as a faulty relay may prevent power from reaching the fan. Additionally, inspect the wiring for any breaks or damage that could interrupt the electrical flow. The coolant temperature sensor is another critical component; if it fails to provide accurate readings, the fan may not activate when necessary. Low coolant levels can also hinder the fan's performance, so ensure the system is adequately filled. Lastly, examine the fan itself for any physical damage, such as broken blades or a malfunctioning motor, which could impede its ability to cool the radiator effectively. By systematically checking these areas, you can identify and resolve the issue, ensuring your Subaru XT's cooling system operates efficiently.

Why is the Radiator Fan Not Working in a Subaru XT?

When the radiator fan in your Subaru XT fails to operate, it is crucial to address the issue promptly to avoid serious engine damage. A malfunctioning fan can lead to overheating, especially in hot weather or during heavy driving conditions, which can result in costly repairs or even engine failure. Begin your troubleshooting by checking the fuse, as a blown fuse is a common culprit. If the fuse is intact, investigate the relay and wiring for any signs of damage or disconnection. Additionally, ensure that the coolant level is adequate and that the coolant temperature sensor is functioning correctly. Ignoring these symptoms not only jeopardizes your vehicle's performance but also poses a safety risk on the road. By taking immediate action to diagnose and fix the problem, you can maintain your Subaru XT's reliability and prevent further complications.

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Subaru XT Radiator Fan Not Working: Causes & Solutions