2018 Ford Transit-150 AC Isn't Working

Common Causes of AC Failure in Your 2018 Ford Transit-150 and How to Restore Comfort

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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 2018 Ford Transit-150 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 steps should I take to diagnose the AC issue in my 2018 Ford Transit-150?

To effectively diagnose the AC issue in your 2018 Ford Transit-150, start with the simplest checks before moving on to more complex diagnostics. Begin by inspecting the air filters, as dirty or clogged filters can significantly restrict airflow and diminish AC performance. Next, assess the refrigerant levels; low levels may indicate a leak, which is a common issue in AC systems. Following this, examine the compressor for any unusual noises or signs of leaks, as it plays a critical role in the AC's operation. Additionally, test the thermostat to ensure it is functioning correctly, as a faulty thermostat can lead to inconsistent cooling. Look for any visible leaks in the AC system, such as oily residue or refrigerant stains, which can help pinpoint the problem. Finally, check all electrical components related to the AC system to ensure they are secure and operational. If these steps do not resolve the issue, it may be time to consult a professional mechanic or HVAC technician for further assistance. By following this diagnostic approach, you can systematically identify and address the AC issue in your vehicle.

What are the common problems that could cause the AC to stop working in a 2018 Ford Transit-150?

When the air conditioning system in a 2018 Ford Transit-150 ceases to function, it can be frustrating, especially during hot weather. One of the most frequent culprits is low refrigerant levels, which can occur due to leaks or insufficient charging, preventing the system from cooling the air properly. Another common issue is a faulty compressor; if the compressor is not engaging or is damaged, it will fail to circulate refrigerant, leading to inadequate cooling. Additionally, electrical problems such as blown fuses, malfunctioning relays, or damaged wiring can disrupt the AC's operation, making it essential to check these components. Clogged or leaking refrigerant lines can also hinder performance, as blockages prevent proper refrigerant flow, while leaks can lead to a loss of refrigerant. Lastly, issues with the condenser or evaporator, such as damage or dirt buildup, can significantly impact the cooling process. By understanding these common problems, DIYers can take the necessary steps to troubleshoot and potentially resolve AC issues in their Ford Transit-150.

How urgent is it to repair the non-functioning AC in a 2018 Ford Transit-150?

Repairing the non-functioning AC in a 2018 Ford Transit-150 is an urgent matter that should not be overlooked. The discomfort caused by a malfunctioning AC can significantly affect the driving experience, especially during hot weather, leading to potential health risks for occupants. Moreover, safety is a critical concern; extreme heat can impair a driver's focus and reaction time, increasing the likelihood of accidents. Additionally, timely repairs can help preserve the vehicle's resale value, as a well-maintained AC system signals to potential buyers that the vehicle has been cared for. Ignoring the AC issue may also lead to further mechanical problems, resulting in more extensive and costly repairs down the line. Therefore, addressing the AC malfunction promptly is essential for ensuring a comfortable, safe, and valuable driving experience.

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2018 Ford Transit-150 AC Troubleshooting Guide | RepairPal