2014 Subaru Impreza AC Isn't Working

Common Causes of AC Failure in Your 2014 Subaru Impreza 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 2014 Subaru Impreza 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 short circuit in the wiring can disrupt the electrical signals needed for proper operation of 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 2014 Subaru Impreza?

To effectively diagnose the AC issue in your 2014 Subaru Impreza, start by inspecting the AC or serpentine belt to ensure it is intact and properly driving the compressor. Next, check for any refrigerant leaks, as a loss of refrigerant is a common culprit for inadequate cooling. If the air conditioning system is not blowing cold air, consider examining the air conditioning compressor for any signs of malfunction. Additionally, verify that the cabin air filter is clean, as a clogged filter can hinder airflow. If the AC is not blowing air at all, this may indicate a more serious issue that requires further investigation. Pay attention to the electrical climate control system, as electrical faults can also disrupt AC performance. Lastly, check the condenser for blockages and ensure that the blend door is functioning correctly to regulate airflow. By following this diagnostic approach, you can systematically identify and address the root cause of your AC problems, potentially saving time and money on repairs.

What are the common problems that could cause the AC to stop working in a 2014 Subaru Impreza?

When troubleshooting the air conditioning system in a 2014 Subaru Impreza, it's crucial to be aware of several common problems that could be causing the malfunction. One of the most frequent culprits is a refrigerant leak, which can significantly impact the system's ability to cool effectively. Additionally, electrical issues, such as a blown fuse or more complex wiring problems, can prevent the AC from operating properly. Another potential issue is a malfunctioning compressor, which is essential for circulating refrigerant throughout the system. It's also worth checking the cabin air filter; if it's clogged, it can reduce airflow and cooling efficiency, although it may not be the primary cause of the AC failure. Furthermore, dirty condenser or evaporator coils can obstruct the system's performance, leading to inadequate cooling. Lastly, faulty components like the blend door actuator or temperature sensors can result in the AC blowing hot air or failing to function altogether. By addressing these common issues, you can restore the efficiency of your Subaru Impreza's AC system and ensure a comfortable driving experience.

How urgent is it to repair the non-functioning AC in a 2014 Subaru Impreza?

When dealing with a non-functioning AC in a 2014 Subaru Impreza, understanding the urgency of repairs is crucial. If the problem stems from a refrigerant leak, immediate action is necessary, as this not only compromises the cooling efficiency but can also lead to more extensive damage to the AC system. Similarly, a malfunctioning compressor requires prompt attention; if it fails completely, it will need replacement, which can be costly and inconvenient. Electrical issues, while potentially complex, should not be ignored either, as they can escalate into more significant problems if left unaddressed. Other factors, such as clogged filters or cooling fan malfunctions, may not seem as urgent but can still hinder the AC's performance and lead to discomfort during hot weather. Therefore, it is advisable to have the AC system inspected by a professional to accurately diagnose the issue and determine the necessary repairs, ensuring both the functionality of the system and the safety of the vehicle.

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2014 Subaru Impreza AC Not Working: Common Issues & Repairs