2024 Cadillac XT6 Radiator Fan Isn't Working

Troubleshooting Common Issues with the 2024 Cadillac XT6 Radiator Fan and Effective Repair 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 2024 Cadillac XT6 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 2024 Cadillac XT6 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 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 2024 Cadillac XT6?

To effectively diagnose a non-functioning radiator fan in your 2024 Cadillac XT6, begin with the simplest solutions before progressing to more complex diagnostics. Start by checking the fuse associated with the radiator fan; a blown fuse is a common and easily fixable issue that can halt fan operation. If the fuse is intact, inspect the relay, as it plays a crucial role in supplying power to the fan. A malfunctioning relay may need replacement. Next, test the fan motor directly by applying power to it; if it fails to operate, the motor itself may require replacement. Additionally, examine the temperature sensor, which is responsible for signaling the fan to activate when the engine reaches a specific temperature. A faulty sensor can prevent the fan from turning on. Don’t forget to inspect the wiring and connections for any loose or damaged components that could disrupt power flow. Finally, using a diagnostic tool to scan for any diagnostic trouble codes (DTCs) can provide further insights into the cooling system's issues. By following this structured approach, you can systematically identify and resolve the problem with your radiator fan.

What are the common causes for the radiator fan not working in a 2024 Cadillac XT6?

When diagnosing why the radiator fan in a 2024 Cadillac XT6 is not functioning, it's essential to consider several common problems that could be at play. A faulty fan motor is often the primary suspect, as it directly impacts the fan's ability to cool the radiator. Additionally, a blown fuse can interrupt the power supply to the fan, rendering it inoperative. Another potential issue is a malfunctioning relay, which is responsible for delivering power to the fan motor; if this component fails, the fan will not operate. The coolant temperature sensor is also critical, as it signals when the fan should engage; a defective sensor may fail to trigger the fan when necessary. Furthermore, wiring issues, such as damaged or corroded connections, can disrupt the electrical flow to the fan. Lastly, low coolant levels can affect the fan's performance, as the fan relies on adequate coolant to regulate engine temperature effectively. By systematically checking these components, you can identify and resolve the issue with the radiator fan in your Cadillac XT6.

How urgent is it to address the non-functioning radiator fan in a 2024 Cadillac XT6?

Addressing a non-functioning radiator fan in your 2024 Cadillac XT6 is an urgent matter that should not be overlooked. The radiator fan plays a vital role in maintaining optimal engine temperature by dissipating heat generated during operation. When this component fails, the risk of engine overheating significantly increases, which can lead to severe damage, including warped cylinder heads or a blown head gasket. Additionally, overheating can adversely affect other vital systems, such as the transmission, resulting in costly repairs that could have been avoided. Ignoring the signs of a malfunctioning radiator fan not only jeopardizes the engine's health but also increases the likelihood of unexpected breakdowns, leaving you stranded and potentially incurring towing expenses. Therefore, if you notice any symptoms indicating a problem with your radiator fan, it is crucial to take immediate action to diagnose and resolve the issue, ensuring the longevity and reliability of your vehicle.

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