2019 Kia Sorento AC Isn't Working

Common Causes of AC Malfunctions in Your 2019 Kia Sorento and How to Fix Them

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Reviewed by
Aisha
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 2019 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 initial steps to diagnose the AC issue in a 2019 Kia Sorento?

To effectively diagnose the AC issue in your 2019 Kia Sorento, start by checking the air filters, as clean filters are essential for optimal airflow and cooling performance. Next, inspect the refrigerant levels; low refrigerant can significantly hinder the system's ability to cool. Following this, examine the AC compressor for any visible signs of damage or wear, as a malfunctioning compressor can lead to inadequate cooling. Additionally, test the thermostat to ensure it is operating correctly, as it plays a crucial role in regulating the AC system's temperature. Be sure to look for any leaks in the AC system, as these can cause refrigerant loss and impact performance. Finally, check all electrical connections related to the AC system to confirm they are secure and functioning properly. By systematically following these steps, you can effectively narrow down the potential causes of your AC issues and take the necessary actions to restore comfort in your vehicle.

What are the common problems that could cause the AC to stop working in a 2019 Kia Sorento?

When the air conditioning system in your 2019 Kia Sorento fails to cool, it can be frustrating, but understanding the common problems can empower you to tackle the issue. One of the primary culprits is low refrigerant levels, which can occur due to leaks or insufficient charging, leading to inadequate cooling. Another frequent issue is a faulty compressor; if the compressor isn't functioning properly, it won't circulate refrigerant effectively, resulting in a lack of cool air. Additionally, electrical problems such as blown fuses or damaged wiring can disrupt the AC's operation, making it essential to check these components. Clogged or leaking condensers can also hinder the system's performance, as they are crucial for dissipating heat. Lastly, if the cooling fans are malfunctioning, airflow through the condenser may be compromised, further impacting the cooling efficiency. By identifying these common problems, you can take the first steps toward diagnosing and potentially fixing the AC issues in your vehicle.

How urgent is it to address the non-functioning AC in a 2019 Kia Sorento?

Addressing a non-functioning air conditioning system in your 2019 Kia Sorento is crucial for both comfort and safety. Driving without AC in hot weather can lead to severe discomfort and health risks, particularly during extreme heat, where overheating can affect both passengers and the driver. Moreover, a malfunctioning AC may signal deeper issues within the vehicle's cooling system, potentially leading to engine overheating and significant damage if left unchecked. Additionally, if the AC failure is due to a refrigerant leak, it not only compromises cooling efficiency but also poses environmental hazards due to the harmful effects of refrigerants on the ozone layer. Ignoring these symptoms can escalate minor issues into major repairs, resulting in higher costs down the line. Therefore, it is essential to prioritize the repair of your AC system to maintain your vehicle's performance and ensure a safe driving experience.

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Troubleshooting 2019 Kia Sorento AC Issues | RepairPal