2017 Kia Sorento Is Overheating

Common Causes of Overheating in Your 2017 Kia Sorento and How to Resolve Them

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Reviewed by
Bo Fader
Written by RepairPal Car Genius
Updated January 14, 2025
0%
24% chance it's the
Thermostat
0%
41% chance it's the
Coolant leak (water pump, radiator, hose etc.)
0%
32% chance it's the
Radiator Fan
0%
3% chance it's
Something else
The most common reasons a 2017 Kia Sorento is overheating are a coolant leak (water pump, radiator, hose etc.), the radiator fan, or a failed thermostat.
  • Thermostat: A faulty thermostat can cause the engine to overheat or run too cool by failing to regulate the flow of coolant properly.
  • Coolant leak (water pump, radiator, hose etc.): A coolant leak can occur due to a damaged hose, a failing water pump, or a compromised radiator, leading to loss of coolant and potential engine overheating.
  • Radiator Fan: A faulty radiator fan can lead to engine overheating due to insufficient airflow over the radiator.
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.

What steps should I take to diagnose the overheating issue in my 2017 Kia Sorento?

To effectively diagnose the overheating issue in your 2017 Kia Sorento, start with the simplest checks before moving on to more complex diagnostics. Begin by inspecting the coolant level; a low level can lead to overheating, so ensure it’s topped up and look for any visible leaks. Next, examine the radiator for any signs of damage or blockages that could impede airflow. The radiator fan is another critical component; verify that it operates correctly, as a malfunctioning fan can significantly contribute to overheating. Following this, check the thermostat to ensure it opens and closes as it should, since a faulty thermostat can disrupt the cooling process. Additionally, inspect the water pump for leaks or signs of failure, as it is essential for circulating coolant. Conduct a pressure test on the cooling system to identify any hidden leaks, and look for clogs that may obstruct coolant flow. Finally, assess the condition of hoses and belts connected to the cooling system, and monitor the temperature gauge while driving to identify any patterns in overheating. By systematically following these steps, you can pinpoint the cause of the overheating and take the necessary actions to resolve the issue.

What are the common problems that could cause a 2017 Kia Sorento to overheat?

When dealing with overheating issues in a 2017 Kia Sorento, it's crucial to understand the common problems that may be at play. One of the primary culprits is low coolant levels, which can occur due to evaporation or leaks, preventing the engine from being adequately cooled. Additionally, leaks in the cooling system—whether from the radiator, hoses, or water pump—can lead to a significant loss of coolant, exacerbating the overheating problem. A faulty thermostat is another potential issue; if it fails to open or close correctly, it disrupts the flow of coolant, causing the engine to overheat. Furthermore, a clogged radiator can restrict coolant flow, while problems with the cooling fan, such as a malfunctioning motor or relay, can hinder airflow through the radiator. Lastly, a failing water pump may not circulate coolant effectively, leading to overheating. By recognizing these common problems, DIYers can take proactive steps to diagnose and address overheating issues in their Kia Sorento, ensuring the vehicle runs smoothly and efficiently.

How urgent is it to address the overheating issue in a 2017 Kia Sorento?

Addressing the overheating issue in a 2017 Kia Sorento is not just a matter of convenience; it is a pressing concern that demands immediate attention. Overheating can lead to catastrophic engine damage, which may result in costly repairs or even complete engine failure if left unresolved. Moreover, the repercussions of ignoring this issue extend beyond the engine itself, as continuous overheating can compromise other vital components of the vehicle, ultimately affecting its overall performance and safety. It is essential to recognize that overheating may indicate underlying problems that require thorough diagnosis and repair to prevent further damage. Therefore, for any DIY enthusiast, tackling the overheating issue promptly is crucial to maintaining the vehicle's functionality and avoiding more severe consequences down the line.

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2017 Kia Sorento Overheating: Causes & Repair Costs