2013 Hyundai Santa Fe Radiator Fan Not Working

Fixing the Non-Functioning Radiator Fan in a 2013 Hyundai Santa Fe

Find Repair Location
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 Hyundai Santa Fe 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 Santa Fe 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.

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 are the steps to diagnose the non-functioning radiator fan in a 2013 Hyundai Santa Fe?

When diagnosing a non-functioning radiator fan in a 2013 Hyundai Santa Fe, it's essential to adopt a systematic approach that begins with the simplest checks before progressing to more complex diagnostics. Start by inspecting the fuses associated with the radiator fan, as blown fuses can easily disrupt functionality. Next, examine the wiring and connectors for any signs of damage or corrosion, ensuring that all connections are secure. If the wiring appears intact, manually test the fan motor by applying a direct power source to determine if the motor itself is operational. Following this, check the relays that control the fan's operation; testing or swapping them can reveal if they are the source of the problem. Additionally, assess the coolant temperature sensor, as it plays a crucial role in activating the fan. If the sensor is functioning correctly, inspect the fan resistor, which regulates fan speed, and ensure coolant levels are adequate, as low levels can affect sensor performance. Finally, consider manually activating the fan to confirm its operation and conduct a visual inspection to rule out any physical obstructions. By following this structured diagnostic approach, you can effectively identify the cause of the radiator fan issue and take appropriate action to resolve it.

What are the common causes for the radiator fan not working in a 2013 Hyundai Santa Fe?

When troubleshooting a non-functioning radiator fan in a 2013 Hyundai Santa Fe, it's essential to consider several common problems that could be at play. One of the first things to check is the fuse, as a blown 50A fuse or a smaller fuse in the fan control module can easily disrupt the fan's operation. If the fuses are intact, the next step is to examine the relays responsible for controlling the fan's speed; these can fail over time and may require testing or replacement. Additionally, the coolant temperature sensor is crucial for signaling the fan to activate, so ensure it is functioning correctly by testing its resistance with a multimeter. Wiring issues, such as broken or corroded connections, can also prevent power from reaching the fan, so inspect the wiring thoroughly. If the wiring is intact, consider testing the radiator fan motor itself by applying direct power to see if it operates. Low coolant levels can lead to overheating and affect the fan's performance, so check the coolant reservoir as well. Lastly, inspect the fan controller module and connectors for any signs of corrosion or damage, as these can hinder the fan's ability to operate. By systematically addressing these common issues, you can effectively diagnose and resolve the problem with your radiator fan.

How urgent is it to repair the non-functioning radiator fan in a 2013 Hyundai Santa Fe to prevent engine overheating?

Repairing the non-functioning radiator fan in a 2013 Hyundai Santa Fe is an urgent matter that should not be overlooked. The primary concern is the immediate risk of engine overheating, which can occur quickly if the fan fails, particularly in low-speed conditions or when the vehicle is stationary. Overheating can lead to catastrophic engine damage, including warped cylinder heads or even a cracked engine block, resulting in costly repairs or the need for a complete engine replacement. For DIY enthusiasts, it’s crucial to diagnose the issue promptly; common culprits include a blown fuse, a faulty relay, or a malfunctioning coolant temperature sensor. Before starting any repairs, ensure the engine is completely cool to avoid burns or other injuries. Taking these steps not only safeguards your vehicle's performance but also enhances its longevity, making it imperative to address the radiator fan issue without delay.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.