2017 Kia Forte5 AC Isn't Working

Common Causes of AC Malfunctions in Your 2017 Kia Forte5 and How to Fix Them

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Reviewed by
Bo Fader
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 Forte5 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 diagnostic steps to take when the AC isn't working in a 2017 Kia Forte5?

When your 2017 Kia Forte5's AC isn't functioning properly, start by checking the thermostat settings to ensure they are correctly adjusted. Sometimes, the simplest solution is just a matter of incorrect settings. Next, inspect the air filters; dirty or clogged filters can significantly hinder airflow, so replacing them can often restore AC performance. It's also crucial to examine the refrigerant levels, as low levels can lead to warm air blowing from the vents. Use a pressure gauge to assess these levels and add refrigerant if necessary. Additionally, look for any signs of leaks in the AC system, such as oily residue, which can indicate a refrigerant loss. Testing the compressor is another vital step; ensure it engages when the AC is activated, as a malfunctioning compressor may require repair or replacement. Lastly, check the electrical connections, including fuses and relays, since faulty connections can disrupt the AC's operation. By systematically following these steps, you can effectively diagnose and potentially resolve the AC issues in your Kia Forte5.

What are the common problems that could cause the AC to stop working in a 2017 Kia Forte5?

When troubleshooting the air conditioning system in a 2017 Kia Forte5, it's crucial to be aware of several common issues that could lead to a malfunction. One of the primary culprits is refrigerant leaks, which can significantly reduce the system's cooling efficiency. If you notice a lack of cold air, checking for leaks in the refrigerant lines is a good starting point. Another potential issue is a faulty compressor; if the compressor isn't engaging, the AC won't cool effectively. Electrical problems, such as blown fuses or damaged wiring, can also disrupt the AC's operation, so inspecting these components is essential. Additionally, a clogged or blocked condenser can impede airflow, making it difficult for the system to cool the air properly. A malfunctioning thermostat may fail to regulate the temperature, leading to inconsistent cooling, while a broken blower motor can prevent air from circulating through the vents altogether. By understanding these common problems, DIYers can better diagnose and address issues with their Kia Forte5's AC system, ensuring a comfortable driving experience.

How urgent is it to repair the non-functioning AC in a 2017 Kia Forte5?

When your 2017 Kia Forte5's air conditioning system fails, the urgency to repair it cannot be overstated. A functioning AC is crucial for maintaining a comfortable driving environment, particularly during sweltering summer months or on long journeys where heat can become unbearable. Beyond mere comfort, the health implications of a malfunctioning AC are significant; extreme heat can lead to dehydration and heat-related illnesses, posing serious risks to both the driver and passengers. Additionally, neglecting AC repairs can adversely affect your vehicle's resale value. Prospective buyers are often deterred by a poorly maintained AC system, which can diminish the overall appeal and worth of your car. Furthermore, delaying repairs can lead to more severe damage within the AC system itself, resulting in more extensive and costly repairs down the line. Therefore, addressing AC issues promptly is essential not only for immediate comfort and safety but also for the long-term health of your vehicle and its value.

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2017 Kia Forte5 AC Not Working? Common Issues & Solutions