2017 Kia Sorento AC Isn't Working

Common Causes of AC Malfunctions in Your 2017 Kia Sorento and How to Fix Them

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Reviewed by
Devin Cabugcal
Written by RepairPal Car Genius
Updated January 14, 2025
0%
37% chance it's the
Refrigerant Leak
0%
21% chance it's the
Climate Control Electrical Issue
0%
12% chance it's the
AC Compressor
0%
30% chance it's
Something else
The most common reasons a 2017 Kia Sorento AC isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor.
  • Refrigerant Leak: A refrigerant leak can occur due to damaged hoses, seals, or connections, resulting in decreased cooling efficiency in the air conditioning system.
  • Climate Control Electrical Issue: A faulty climate control module or a blown fuse could be causing the electrical issues in the climate control system.
  • AC Compressor: A faulty AC compressor may be due to a lack of lubrication, electrical issues, or internal mechanical failure, resulting in inadequate cooling performance.
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 are the steps to diagnose the AC issue in a 2017 Kia Sorento?

To effectively diagnose an AC issue in your 2017 Kia Sorento, start with the simplest checks before moving on to more complex diagnostics. Begin by inspecting the air filters, as dirty or clogged filters can significantly restrict airflow and diminish AC performance. Next, assess the refrigerant levels; low levels may indicate a leak in the system that needs addressing. Following this, examine the compressor to ensure it is engaging properly, as it plays a vital role in the cooling process. Look for any visible leaks in the AC system, as these can severely impact cooling efficiency. Additionally, test the thermostat to confirm it is functioning correctly, as a faulty thermostat can lead to inconsistent cooling. Don’t overlook the electrical components; issues with connections can also cause AC problems. If these steps do not resolve the issue, it may be time to consult a professional mechanic or AC specialist for further assistance. By systematically following this diagnostic approach, you can effectively identify and address AC issues in your vehicle.

What are the common problems that could cause the AC to stop working in a 2017 Kia Sorento?

When troubleshooting the air conditioning system in a 2017 Kia Sorento, it's essential to understand the common problems that may lead to a malfunction. One of the primary issues is low refrigerant levels, which can significantly hinder the system's ability to cool the air effectively. If the refrigerant is low, it may indicate a leak that needs to be addressed. Another potential culprit is a faulty compressor; if the compressor isn't functioning correctly, it won't circulate the refrigerant, resulting in inadequate cooling. Additionally, electrical issues such as blown fuses or damaged wiring can disrupt the AC's operation, making it crucial to inspect these components. Clogged or leaking condensers can also impede performance, as they are responsible for dissipating heat from the refrigerant. Lastly, malfunctioning cooling fans can lead to insufficient airflow through the condenser, further compromising the AC system's efficiency. By identifying and addressing these common problems, you can effectively diagnose and potentially resolve the AC issues in your Kia Sorento.

How urgent is it to address the non-functioning AC in a 2017 Kia Sorento?

When faced with a non-functioning air conditioning system in your 2017 Kia Sorento, it is crucial to recognize the urgency of the situation. Driving without a working AC in hot weather can lead to significant discomfort and health risks, particularly during extreme heat. Moreover, a malfunctioning AC may signal deeper issues within the vehicle's cooling system, which, if left unchecked, could result in overheating and serious engine damage. Additionally, if the problem stems from a refrigerant leak, it not only compromises the AC's performance but also raises environmental concerns. Delaying repairs can escalate minor issues into major problems, leading to higher repair costs down the line. Therefore, while it may not seem like an immediate emergency, addressing the non-functioning AC promptly is essential for maintaining driving comfort, ensuring safety, and preventing further damage to your vehicle.

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