2013 Hyundai Genesis Coupe Radiator Fan Isn't Working

Radiator fan not working in 2013 Hyundai Genesis Coupe: causes and solutions

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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 2013 Hyundai Genesis Coupe 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 Hyundai Genesis Coupe 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 Hyundai Genesis Coupe?

When diagnosing a non-functioning radiator fan in your 2013 Hyundai Genesis Coupe, it's essential to adopt a systematic approach that begins with the simplest checks before progressing to more complex diagnostics. Start by verifying the coolant levels, as insufficient coolant can prevent the fan from operating correctly. If the coolant is low, refill it and observe if the fan activates. Next, inspect the relays located in the engine bay, as these control the fan's operation. Testing the relays by swapping them with functional ones or using a 9-volt battery can help determine if they are faulty. Additionally, check the fuses associated with the radiator fan to ensure they are intact. If the fuses are good, proceed to test the radiator fan motor directly by connecting it to a 12-volt battery; if it spins, the motor is likely functional. If the motor does not operate, investigate the resistor and wiring, as these components can also affect fan performance. Lastly, ensure that the thermostat and coolant temperature sensor are working correctly, as they play a crucial role in fan activation. By following this diagnostic approach, you can effectively identify the root cause of the issue and take appropriate action to restore your radiator fan's functionality.

What are the common problems that could cause the radiator fan to stop working in a 2013 Hyundai Genesis Coupe?

When troubleshooting a malfunctioning radiator fan in a 2013 Hyundai Genesis Coupe, it's essential to consider several common problems that could be at play. A faulty fan motor is often the primary suspect, as it can lead to inadequate airflow and symptoms like engine overheating or warning lights on the dashboard. Additionally, electrical issues such as a blown fuse or a malfunctioning relay can disrupt the fan's operation; these components are typically located in the engine bay and are relatively easy to inspect. The cooling fan relay itself may also fail, causing the fan to either remain off or run continuously, which can be resolved by replacing the relay. Another critical component to check is the Engine Coolant Temperature (ECT) sensor, as a malfunction here can prevent the fan from receiving the necessary signals to activate. Furthermore, ensure that all wiring is intact and free from shorts, as damaged connections can impede functionality. Low coolant levels can also affect fan operation, so maintaining proper coolant levels is crucial. Lastly, be aware of any mechanical obstructions that may hinder the fan's movement. By systematically checking these areas, DIYers can effectively diagnose and address the issues affecting the radiator fan in their Genesis Coupe.

How urgent is it to repair the non-functioning radiator fan in a 2013 Hyundai Genesis Coupe?

Repairing a non-functioning radiator fan in your 2013 Hyundai Genesis Coupe is not just a matter of convenience; it is an urgent necessity to ensure the longevity and safety of your vehicle. The radiator fan plays a vital role in regulating engine temperature, and when it fails, the risk of engine overheating escalates dramatically. This overheating can lead to severe engine damage, including warped cylinder heads and cracked engine blocks, which can result in costly repairs. Moreover, a malfunctioning fan compromises the entire cooling system, leading to premature wear on critical components and potentially catastrophic system failures. The performance of your vehicle will also suffer, as an overheated engine can cause reduced power and even engine shutdown while driving, posing significant safety hazards. Ignoring the problem not only increases the risk of immediate engine failure but can also lead to further damage to related systems, such as the thermostat and water pump. Therefore, it is crucial to address any issues with the radiator fan promptly to avoid these serious consequences and maintain the safe operation of your vehicle.

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2013 Hyundai Genesis Coupe Radiator Fan Problems & Solutions