2017 Ford Transit-350 HD AC Isn't Working

Common Causes of AC Malfunctions in Your 2017 Ford Transit-350 HD and How to Fix Them

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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 2017 Ford Transit-350 HD 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 steps to diagnose the AC issue in a 2017 Ford Transit-350 HD?

To effectively diagnose the AC issue in a 2017 Ford Transit-350 HD, start with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by inspecting the air filters, as clean filters are essential for optimal airflow; if they are clogged, replacing them can significantly improve AC performance. Next, verify the refrigerant levels, since low refrigerant can lead to inadequate cooling; if levels are low, a recharge may be necessary. Following this, examine the AC compressor for any signs of damage or wear, as a malfunctioning compressor can severely impact cooling efficiency. Ensure the thermostat is functioning correctly, as it plays a crucial role in regulating the vehicle's interior temperature. Additionally, check for any leaks in the AC system, as these can lead to refrigerant loss and diminished cooling capabilities. Inspect the electrical components, including fuses and wiring, to rule out any electrical issues that may hinder the system's operation. Finally, performing a system pressure test can provide a comprehensive assessment of the AC system's health, helping to identify any underlying problems. By following this structured diagnostic approach, you can effectively pinpoint and address AC issues in your Ford Transit-350 HD.

What are the common problems that could cause the AC system to stop working in a 2017 Ford Transit-350 HD?

When dealing with a malfunctioning AC system in a 2017 Ford Transit-350 HD, 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 impair cooling performance, so consider inspecting for leaks or refilling as necessary. If the refrigerant is adequate, the next step is to evaluate the compressor, as a faulty compressor can hinder the circulation of refrigerant, leading to inadequate cooling. Additionally, electrical issues such as blown fuses or damaged wiring can disrupt the AC's operation, so a thorough inspection of the electrical components is crucial. Clogged or leaking refrigerant lines can also impede performance, so look for any visible signs of damage or blockages. Lastly, ensure that the blower motor is functioning correctly, as a malfunction here can result in poor airflow through the vents. By systematically checking these components, DIYers can effectively diagnose and address the issues affecting their vehicle's AC system. Regular maintenance and prompt repairs can help keep the AC running smoothly, ensuring comfort during those hot days on the road.

How urgent is it to repair the non-functioning AC in a 2017 Ford Transit-350 HD?

Addressing a non-functioning AC in your 2017 Ford Transit-350 HD should be a priority, especially during the sweltering summer months. The discomfort of driving without air conditioning can be significant, particularly for long trips or when transporting passengers, making it essential for maintaining a pleasant environment inside the vehicle. Moreover, in extreme heat, the lack of a functioning AC can impair the driver's focus, posing serious safety risks on the road. Ignoring these symptoms can lead to more severe issues within the AC system, resulting in costly repairs that could have been avoided with timely intervention. Regular maintenance is crucial not only for the comfort of the passengers but also for the longevity and efficiency of the AC system. Therefore, it is advisable to address any AC malfunctions promptly to ensure a safe and comfortable driving experience.

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