2013 Volkswagen Tiguan Radiator Fan Isn't Working

Fixing the Non-Functional Radiator Fan in Your 2013 Volkswagen Tiguan

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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 2013 Volkswagen Tiguan 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 2013 Volkswagen Tiguan 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

The bad thermostat can cause two different sets of problems, depending on whether it's stuck open or stuck closed.

A thermostat that is stuck open can cause the engine to run colder than normal and turn on the check engine light. It may also cause poor fuel mileage and the heater to blow cool air.

A thermostat that is stuck closed will cause the vehicle to overheat. If a new thermostat doesn't resolve engine temperature problems, the cooling system needs to be checked for other issues.

» LEARN MORE: Signs of a bad thermostat, and how to fix it

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 steps should I take to diagnose the non-functioning radiator fan in my 2013 Volkswagen Tiguan?

When diagnosing a non-functioning radiator fan in your 2013 Volkswagen Tiguan, it's crucial to follow a methodical approach that emphasizes simpler checks before tackling more complex issues. Start by examining the fuse linked to the radiator fan, as a blown fuse is a frequent culprit that can easily be replaced. If the fuse is in good condition, the next step is to inspect the relay, which controls the power supply to the fan; a faulty relay may need to be swapped out. After that, test the fan motor directly by applying power to it to confirm whether it spins properly. The temperature sensor is also vital, as it activates the fan based on engine temperature; ensure it is functioning correctly to send the right signals. Additionally, check the wiring for any damage or loose connections, as these can impede power delivery to the fan. Finally, using a diagnostic tool to scan for any Diagnostic Trouble Codes (DTCs) can help pinpoint specific issues within the radiator fan system. By adhering to this structured diagnostic process, you can effectively identify and rectify the problems, ensuring your vehicle's cooling system operates efficiently.

What are the common causes for the radiator fan not working in a 2013 Volkswagen Tiguan?

When dealing with a non-functioning radiator fan in a 2013 Volkswagen Tiguan, 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 fuses is a straightforward first 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 crucial to inspect the wiring for any damage or loose connections, as these can prevent the fan from receiving power. Lastly, ensure that the coolant level is adequate, as low coolant can lead to overheating and affect the fan's performance. By systematically addressing these common causes, you can effectively diagnose and fix the radiator fan issue in your Tiguan, making it a manageable DIY project.

How urgent is it to repair the non-working radiator fan in a 2013 Volkswagen Tiguan to avoid engine overheating?

Repairing a non-working radiator fan in a 2013 Volkswagen Tiguan is an urgent matter that should not be overlooked. The radiator fan is essential for regulating the engine's temperature by ensuring that the radiator remains cool, especially during high-demand situations such as heavy traffic or steep inclines. If the fan fails, the engine is at risk of overheating, which can lead to severe damage, including warped cylinder heads and blown head gaskets. These issues not only compromise the engine's integrity but can also result in costly repairs and a significant decrease in vehicle performance. Moreover, prolonged overheating can affect other critical components, further escalating repair costs and potentially leaving you stranded. Therefore, addressing the malfunctioning radiator fan promptly is vital for maintaining the vehicle's efficiency and longevity, ensuring that you avoid the serious repercussions of engine overheating.

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2013 Volkswagen Tiguan Radiator Fan Not Working | RepairPal