2016 Volkswagen Golf Radiator Fan Isn't Working

Fixing the Non-Functional Radiator Fan in a 2016 Volkswagen Golf

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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 2016 Volkswagen Golf 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 2016 Volkswagen Golf 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.

When the radiator fans stop functioning properly, the engine temperature will rise. The spike in temperature will be highest when the vehicle is idling at a stop, but should subside once the vehicle begins moving again.

Additionally, the air conditioner typically won't blow as cold. This is because the air from the radiator fans also blows across the air conditioning condenser, so when the fans fail, both systems suffer.

You'll also usually see the check engine light and notice a drop in fuel economy. It's possible the fan will start making noise if it's failing, as well.

What steps should I take to diagnose the non-functioning radiator fan in my 2016 Volkswagen Golf?

When diagnosing a non-functioning radiator fan in your 2016 Volkswagen Golf, 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 be easily replaced. If the fuse is in good condition, the next step is to inspect the relay, which is responsible for supplying power to the fan; a faulty relay may need to be swapped out. After that, test the fan motor by applying power directly to it; if it does not spin, this indicates that the motor likely requires replacement. Additionally, ensure that the temperature sensor is functioning correctly, as it is essential for activating the fan when the engine reaches a certain temperature. Pay attention to the wiring as well, checking for any damage or loose connections that could hinder the fan's operation. Lastly, utilizing a diagnostic scanner to check for error codes can help uncover any deeper issues within the cooling system. By adhering to this structured diagnostic process, you can efficiently pinpoint and address the problem with your radiator fan.

What are the common causes for the radiator fan not working in a 2016 Volkswagen Golf?

When diagnosing the issue of a non-functioning radiator fan in a 2016 Volkswagen Golf, it's essential to consider several common problems that could be at play. A faulty fan motor is often the primary culprit, as it directly affects the fan's ability to cool the radiator. Additionally, a blown fuse can interrupt the power supply, rendering the fan inoperative. It's also important to check the temperature sensor, as a malfunction here can lead to incorrect readings, preventing the fan from activating when necessary. Wiring issues, such as damaged or corroded connections, can disrupt the electrical flow to the fan, while low coolant levels may prevent the engine from reaching the temperature needed to trigger the fan. Lastly, a malfunctioning fan relay could be the reason the fan isn't receiving the signal to turn on. By systematically examining these potential issues, DIY enthusiasts can effectively troubleshoot and resolve the radiator fan problem in their Volkswagen Golf.

How urgent is it to repair the non-functioning radiator fan in a 2016 Volkswagen Golf to prevent potential overheating and engine damage?

When it comes to repairing a non-functioning radiator fan in your 2016 Volkswagen Golf, the urgency cannot be overstated. The radiator fan is essential for regulating the engine's temperature, and without it, your vehicle is at a high risk of overheating. This overheating can lead to severe engine damage, such as warping or cracking, which not only incurs costly repairs but could also necessitate a complete engine replacement. Moreover, neglecting this issue can adversely affect other critical components, including the water pump and thermostat, compounding the risk of extensive damage. Therefore, if you notice any signs of a malfunctioning radiator fan, it is imperative to address the problem immediately to safeguard your engine's health and maintain the overall performance of your vehicle. Taking prompt action can save you from the headaches and expenses associated with major repairs down the line.

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