2013 Cadillac Escalade ESV Radiator Fan Isn't Working

Fixing the Non-Functional Radiator Fan in a 2013 Cadillac Escalade ESV

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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 Cadillac Escalade ESV 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 Cadillac Escalade ESV 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 are the steps to diagnose the non-functioning radiator fan in a 2013 Cadillac Escalade ESV?

When diagnosing a non-functioning radiator fan in a 2013 Cadillac Escalade ESV, it's crucial to follow a methodical approach that prioritizes simpler checks before delving into more complex issues. Begin by inspecting the fuse linked to the radiator fan; a blown fuse is an easy fix that could restore functionality. Next, evaluate the engine temperature sensor, which is vital for communicating with the Engine Control Unit (ECU) to activate the fan when the engine overheats. It's also important to check the engine coolant level, as low coolant can prevent the temperature sensor from operating effectively, leading to fan failure. If these initial components are in good condition, turn your attention to the fan clutch, as wear and tear can impede its performance. Lastly, examine the Electronic Control Module (ECM) and its wiring, since any disconnections or damage can disrupt the fan's operation. By systematically addressing these areas, you can efficiently diagnose and resolve the radiator fan issue in your Cadillac Escalade ESV.

What are the common causes for the radiator fan not working in a 2013 Cadillac Escalade ESV?

When diagnosing a non-functioning radiator fan in a 2013 Cadillac Escalade ESV, it's crucial to understand the common problems that could be causing the issue. One of the primary suspects is the fan assembly itself, which may be damaged or worn out. Additionally, the fan clutch can fail, preventing the fan from engaging properly. Another critical component to check is the coolant temperature sensor; if it malfunctions, it may not signal the fan to turn on when needed. Other potential culprits include a faulty fan relay switch, which controls the power to the fan, or a defective thermostat that can disrupt the cooling system's operation. It's also important to inspect for electrical issues such as a blown fuse, a bad relay, or damaged wiring that could interrupt the fan's functionality. Lastly, ensure that the coolant levels are adequate and that the thermostat is functioning correctly, as low coolant or a stuck thermostat can also lead to overheating and fan issues. By systematically checking these components, you can effectively diagnose and resolve the radiator fan problem, ensuring your vehicle runs smoothly and avoids overheating.

How urgent is it to repair the non-working radiator fan in a 2013 Cadillac Escalade ESV to avoid engine overheating?

When it comes to the radiator fan in your 2013 Cadillac Escalade ESV, urgency is key. A malfunctioning radiator fan can lead to severe engine overheating, which poses significant risks not only to the engine itself but also to your safety on the road. If the fan fails to operate, the engine temperature can rise uncontrollably, resulting in warped cylinder heads or blown head gaskets, both of which can lead to catastrophic engine failure. Additionally, the repercussions of overheating extend beyond the engine; components like the water pump, thermostat, and radiator can also suffer damage, leading to expensive repairs that could have been avoided. Ignoring the signs of a non-working radiator fan increases the likelihood of unexpected breakdowns, leaving you stranded and potentially compromising your safety. Therefore, it is crucial to diagnose and repair any issues with the radiator fan as soon as possible to maintain the vehicle's performance and prevent costly damage in the future.

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