2017 Ford Fusion AC Isn't Working

Common Causes of AC Failure in Your 2017 Ford Fusion and How to Restore Cool Airflow

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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 2017 Ford Fusion 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 Ford Fusion?

When your 2017 Ford Fusion's AC isn't functioning properly, it's crucial to approach the diagnosis methodically. Start by checking the thermostat settings to ensure they are correctly adjusted to a cool temperature, as incorrect settings can often be the simplest explanation for an AC failure. Next, inspect the air filters; dirty or clogged filters can significantly restrict airflow, leading to poor cooling performance. If the filters are clean, examine the refrigerant levels using a pressure gauge, as low refrigerant can result in warm air blowing from the vents. Additionally, look for any visible signs of leaks in the AC system, such as oily residue, which can indicate a refrigerant loss. Testing the compressor is also essential; it should engage when the AC is turned on, and if it doesn't, it may require repair or replacement. Lastly, check the electrical connections, including fuses and relays, as faulty connections can prevent the AC from operating correctly. By following these steps, you can effectively diagnose common AC issues in your Ford Fusion and determine whether further professional assistance is needed.

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

When your 2017 Ford Fusion's AC system fails to deliver cool air, it's essential to understand the common problems that could be at play. One of the first things to check is the refrigerant level; low refrigerant can significantly hinder the system's cooling efficiency. If the refrigerant is adequate, the next step is to inspect the compressor, as a faulty compressor can prevent the system from producing cold air altogether. Additionally, electrical issues such as blown fuses or damaged wiring can disrupt the AC's operation, so examining these components is crucial. Another potential culprit is a clogged or leaking condenser, which can severely impact the system's ability to cool the air. Lastly, ensure that the cooling fans are functioning correctly, as broken fans can lead to insufficient airflow, further exacerbating the cooling problem. By systematically addressing these common issues, you can effectively diagnose and potentially resolve the AC malfunction in your Ford Fusion.

How urgent is it to address the non-functioning AC in a 2017 Ford Fusion?

When considering the urgency of fixing a non-functioning AC in a 2017 Ford Fusion, it is crucial to recognize the immediate discomfort and health risks posed by driving in high temperatures without adequate cooling. Prolonged exposure to heat can lead to dehydration and heat exhaustion, making it essential to prioritize repairs, especially during the summer months. Additionally, a malfunctioning AC can detract from the overall driving experience, creating distractions that may compromise safety on the road. Furthermore, the AC system's failure could indicate more significant problems within the vehicle's cooling system, which, if ignored, may result in costly repairs down the line. By addressing the AC issue promptly, you not only enhance your comfort and safety but also protect your vehicle from potential damage, ultimately saving you time and money in the long run.

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