2020 Audi Q5 Radiator Fan Isn't Working

Resolve 2020 Audi Q5 radiator fan issues for optimal engine cooling.

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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 2020 Audi Q5 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.

How much does it cost to fix a 2020 Audi Q5 radiator fan isn't working?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

Over time serpentine belts stretch, crack, and the ribs that ride on the accessory pulleys being to wear smooth. A squealing noise that increases with engine speed or as engine driven accessories are turned on may be noted. The noise is caused by the belt slipping on the pulleys, insufficiently driving them. Ineffective air conditioning, a battery warning light, or intermittent power steering assist can result from this.

»MORE: Symptoms of a bad serpentine belt

When the engine coolant temperature sensor fails, it will send inaccurate information to the vehicle’s computer, causing the computer to react to false operating conditions. This will cause the engine to consume more fuel than normal, depleting fuel mileage, and causing black, sooty smoke from the engine under moderate to heavy acceleration. The check engine light will illuminate, and on-board diagnostic trouble codes may be stored for exhaust and emission system failure, fuel delivery system failure, and engine cooling system failure. Overheating may also occur, as the coolant sensor may be leaking fluid out of the engine, creating a an air pocket in the system.

What are the steps to diagnose the non-functioning radiator fan in a 2020 Audi Q5?

To diagnose a non-functioning radiator fan in your 2020 Audi Q5, begin with the simplest solutions before progressing to more intricate checks. 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, move on to inspect the relay, as a malfunctioning relay can also prevent the fan from activating. Next, test the radiator fan motor itself to ensure it is operational; if it fails to run, replacement may be necessary. Additionally, check the wiring for any signs of damage or loose connections, as these can disrupt power flow to the fan. Utilizing a diagnostic tool to scan for error codes can provide further insights into any underlying issues. Finally, verify the functionality of the coolant temperature sensor, as a faulty sensor may fail to signal the fan to turn on when needed. By following this structured approach, you can effectively diagnose and address the radiator fan issue in your Audi Q5, ensuring optimal vehicle performance.

What are the common causes for the radiator fan not working in a 2020 Audi Q5?

When dealing with a non-functioning radiator fan in a 2020 Audi Q5, it's essential to understand the common problems that could be at play. One of the primary culprits is a faulty fan motor, which may require replacement to restore the fan's operation. Additionally, a blown fuse can interrupt the electrical flow to the fan, so checking the fuse box for any blown fuses is a crucial step in your troubleshooting process. Another potential issue is a malfunctioning temperature sensor, which may fail to signal the fan to activate when the engine reaches a certain temperature; replacing this sensor can often resolve the problem. It's also important to inspect the wiring for any signs of damage or loose connections, as these can prevent the fan from receiving power. Furthermore, ensure that the coolant level is adequate, as low coolant can lead to overheating and may cause the fan to stop working altogether. Lastly, a faulty fan relay can disrupt the fan's operation, and replacing it may be necessary to restore functionality. By systematically addressing these common issues, you can effectively troubleshoot and fix the radiator fan problem in your Audi Q5.

How urgent is it to repair the non-working radiator fan in a 2020 Audi Q5 to prevent engine overheating?

When it comes to the non-working radiator fan in a 2020 Audi Q5, the urgency of repair cannot be overstated. The radiator fan is essential for regulating the engine's temperature, and its failure can lead to severe overheating. This overheating not only risks immediate engine damage but can also result in long-term performance issues, such as decreased fuel efficiency and increased wear on engine components. Ignoring the symptoms of a malfunctioning radiator fan can escalate the situation, potentially leading to catastrophic engine failure, which would incur significant repair costs. Therefore, it is crucial to address this issue promptly by consulting a qualified mechanic who can diagnose and rectify the problem, ensuring the vehicle operates safely and efficiently. Taking swift action not only protects your investment but also enhances the overall driving experience by maintaining optimal engine performance.

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