2018 Ford GT AC Isn't Working

Common Causes of AC Issues in Your 2018 Ford GT and How to Restore Comfort in Your Ride

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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 2018 Ford GT 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 2018 Ford GT?

When your 2018 Ford GT's AC isn't functioning properly, 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 the issue. Next, inspect the air filters; dirty or clogged filters can significantly restrict airflow, leading to poor AC performance. If the filters are clean, examine the refrigerant levels, as low refrigerant can cause the system to blow warm air. You can use a pressure gauge for this or seek professional help if you're unsure. Additionally, look for any visible signs of leaks in the AC system, such as oily residue, which can indicate refrigerant loss. The AC compressor is another critical component to check; listen for unusual noises that may suggest a malfunction. Finally, ensure that all electrical connections related to the AC system are secure, as faulty electrical components can hinder performance. By following these diagnostic steps, you can effectively identify and address common issues with your vehicle's AC system.

What are the common problems that could cause the AC to stop working in a 2018 Ford GT?

When the air conditioning system in a 2018 Ford GT fails to operate, several common issues may be at play. One of the first things to check is the refrigerant level; low refrigerant can significantly impair 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 circulating refrigerant properly. Additionally, electrical problems such as blown fuses or damaged wiring can disrupt the AC's functionality, so examining these components is crucial. Clogged or leaking refrigerant lines can also hinder performance, making it essential to look for any visible signs of damage or blockages. Lastly, issues with the condenser or evaporator can affect the cooling process, so ensuring these parts are functioning correctly is vital. By systematically checking these common problems, DIYers can often identify the root cause of the AC failure and determine whether a simple fix is possible or if professional assistance is needed.

How urgent is it to repair the non-functioning AC in a 2018 Ford GT?

When faced with a non-functioning AC in a 2018 Ford GT, the urgency of repair cannot be overstated. The comfort of both the driver and passengers is significantly compromised, especially during sweltering summer months or on long journeys, where a regulated interior temperature is essential. Beyond comfort, safety becomes a critical concern; extreme heat can lead to distractions or health risks, particularly for vulnerable passengers. Additionally, a well-functioning AC system is a key factor in maintaining the vehicle's resale value, as prospective buyers often view it as a non-negotiable feature. Furthermore, neglecting AC repairs can inadvertently strain other mechanical components, potentially leading to more extensive and costly damage down the line. Therefore, addressing AC issues promptly is not just a matter of convenience but a necessary step to ensure the vehicle's overall performance and longevity.

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2018 Ford GT AC System Troubleshooting Guide | RepairPal