2020 Ford Expedition AC Isn't Working

Common Causes of AC Malfunctions in Your 2020 Ford Expedition and How to Fix Them

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Reviewed by
Andrew Hajjar
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 2020 Ford Expedition 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 2020 Ford Expedition?

When your 2020 Ford Expedition's AC isn't functioning properly, it's essential to adopt a systematic diagnostic approach to identify the root cause. 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 inadequate cooling. Next, inspect the air filters; dirty or clogged filters can significantly restrict airflow, so replacing them can enhance the AC's performance. After that, examine the refrigerant levels using a pressure gauge, as low levels may indicate a need for a recharge. It's also crucial to look for any visible signs of leaks, such as oily residue around hoses or connections, which can lead to refrigerant loss. Additionally, ensure that the AC compressor is engaging properly when activated, as a malfunctioning compressor can severely impact cooling efficiency. Don't forget to check the electrical connections related to the AC system for security and corrosion, as faulty connections can disrupt operation. Finally, using a diagnostic tool to scan for error codes can provide valuable insights into specific issues affecting the AC system. By following this structured approach, you can effectively troubleshoot and potentially resolve the AC issues in your Ford Expedition.

What are the common problems that could cause the AC system to stop working in a 2020 Ford Expedition?

When the AC system in your 2020 Ford Expedition stops functioning, it can be frustrating, but understanding the common problems can help you diagnose the issue. One of the primary culprits is low refrigerant levels, which can significantly hinder the system's cooling efficiency. If you suspect this, checking for leaks and recharging the refrigerant may be necessary. Another frequent issue is a faulty compressor; if the compressor is not engaging, it may need replacement or repair. Electrical problems, such as blown fuses or damaged wiring, can also disrupt the AC's operation, so inspecting these components is crucial. Additionally, a clogged or leaking condenser can prevent proper cooling, requiring cleaning or replacement to restore functionality. Lastly, a malfunctioning blower motor can lead to poor airflow, making it essential to ensure that this component is working correctly. By addressing these common issues, you can potentially restore your AC system's performance without needing professional assistance.

How urgent is it to address the AC failure in my 2020 Ford Expedition?

When faced with an AC failure in your 2020 Ford Expedition, it is essential to recognize the urgency of the situation. A malfunctioning air conditioning system can significantly diminish your comfort, especially during hot weather or long journeys, making it difficult to enjoy your drive. Moreover, the safety implications cannot be overlooked; extreme heat can lead to distractions and discomfort, which may compromise your focus on the road. By addressing the AC issue promptly, you not only enhance your driving experience but also contribute to a safer environment for yourself and your passengers. Additionally, timely repairs can prevent further damage to the AC system, saving you from more extensive and costly repairs in the future. Lastly, maintaining your vehicle's AC system is vital for preserving its resale value; a well-maintained vehicle reflects good care and can be more appealing to potential buyers. Therefore, taking swift action to resolve AC failures is not just about comfort—it's a crucial step in ensuring safety, preventing future issues, and maintaining the value of your Ford Expedition.

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