2017 Ford Mustang AC Isn't Working

Common Causes of AC Failure in Your 2017 Ford Mustang and How to Restore Cool Air Flow

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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 Ford Mustang 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 2017 Ford Mustang?

To effectively diagnose the AC issue in your 2017 Ford Mustang, start by checking the air filters, as dirty or clogged filters can significantly hinder airflow and cooling efficiency. Next, inspect the refrigerant levels; low levels may suggest a leak, which is crucial to address for optimal performance. Following this, examine the AC compressor, as a malfunctioning unit can lead to inadequate cooling. Additionally, test the thermostat to ensure it is functioning correctly, as a faulty thermostat can disrupt the AC's operation. Be vigilant for any visible leaks in the AC system, as these can severely impact its efficiency. Lastly, assess the electrical components, including wiring and connections, since any faults here can prevent the AC from working 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 2017 Ford Mustang?

When troubleshooting the air conditioning system in a 2017 Ford Mustang, it's essential to understand the common problems that could 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 frequent culprit is a faulty compressor; if the compressor isn't functioning correctly, it won't circulate the refrigerant, resulting in warm air blowing from the vents. Additionally, electrical issues such as blown fuses or damaged wiring can disrupt the AC's operation, preventing it from turning on or functioning properly. Clogged or leaking condensers can also impede the cooling process, as they are crucial for dissipating heat from the refrigerant. Lastly, broken cooling fans can lead to inadequate heat dissipation, further compromising the AC's performance. By identifying and addressing these common problems, you can effectively restore your Mustang's air conditioning system to optimal working condition.

How urgent is it to repair the non-functioning AC in a 2017 Ford Mustang?

Repairing the non-functioning AC in your 2017 Ford Mustang should be treated as an urgent matter, as neglecting this issue can lead to a range of uncomfortable and potentially dangerous situations. A malfunctioning AC system not only detracts from your driving comfort, especially during sweltering summer months, but it can also pose safety risks by distracting you from the road. Furthermore, a well-maintained AC system contributes positively to your vehicle's resale value, making it a wise investment to address any issues promptly. Ignoring the symptoms of a failing AC can lead to more severe problems down the line, resulting in costly repairs that could have been avoided. Therefore, it is advisable to prioritize the repair of your AC system to ensure a safe, comfortable, and valuable driving experience.

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