Volkswagen Arteon Radiator Fan Isn't Working

Diagnosing the Causes of a Non-Functional Radiator Fan in Your Volkswagen Arteon 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 Volkswagen Arteon 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 Volkswagen Arteon 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.

Troubleshooting Radiator Fan Issues in a Volkswagen Arteon

When troubleshooting radiator fan issues in your Volkswagen Arteon, it's essential to adopt a methodical diagnostic approach. Begin by checking the fan relay, as this is often a straightforward fix that can resolve the problem without delving deeper. If the relay appears functional, proceed to inspect the radiator fan motor and ensure it operates correctly. Next, verify the condition of the coolant temperature sensor, as a faulty sensor can mislead the system into thinking cooling is unnecessary. If these components check out, examine the fan control module and the fan assembly for any signs of malfunction. Remember, a clogged radiator or a broken fan belt can also impede performance, so don’t overlook these potential issues. By following this structured process, you can effectively identify and address the root cause of your radiator fan problems, ensuring your Arteon runs smoothly and efficiently.

Troubleshooting Radiator Fan Issues in a Volkswagen Arteon

When dealing with radiator fan issues in a Volkswagen Arteon, it's essential to understand the common problems that can arise. A faulty radiator fan motor is often the primary culprit, preventing the fan from operating as intended. Additionally, a malfunctioning fan relay can disrupt the electrical flow necessary for the fan to engage. Another frequent issue is a defective temperature sensor, which may fail to signal the fan to activate when the engine reaches high temperatures. Clogged radiators can also impede airflow, leading to overheating and fan operation problems. Lastly, a broken fan belt can prevent the fan from spinning altogether. By familiarizing yourself with these potential failure modes, you can systematically troubleshoot and identify the root cause of the radiator fan issue, ensuring your Volkswagen Arteon runs smoothly and efficiently.

Why is the Radiator Fan Not Working in a Volkswagen Arteon?

When the radiator fan in your Volkswagen Arteon is not functioning, it is crucial to act swiftly to avoid serious engine damage. A malfunctioning fan can lead to overheating, which may cause the engine to seize or result in costly repairs. Common culprits include a faulty fan assembly, a malfunctioning fan clutch, or a defective coolant temperature sensor. Additionally, issues such as a bad fan relay, a clogged radiator, or a broken fan belt can also impede the fan's operation. Ignoring these symptoms not only risks your vehicle's performance but can also compromise your safety on the road. Therefore, if you notice any signs of fan failure, such as unusual engine temperatures or strange noises, it is imperative to diagnose and resolve the issue promptly to maintain the health of your vehicle and ensure a safe driving experience.

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