2013 Subaru Impreza Ac Isn't Working

Common Causes of AC Failure in Your 2013 Subaru Impreza 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 2013 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 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 2013 Subaru Impreza?

When diagnosing an AC issue in a 2013 Subaru Impreza, it's essential to adopt a systematic approach that begins with the most straightforward checks. Start by inspecting the fuses related to the AC system, particularly the 15 amp fuse, as a blown fuse can often be the culprit behind AC failures. If the fuses are intact, proceed to verify the electrical connections, including the AC relay, which can be tested by swapping it with another relay to rule out electrical faults. Next, listen for the compressor clutch engaging when the AC is activated; a lack of sound may indicate a problem with the compressor or its electrical components. Checking the refrigerant levels is also crucial, as low levels can lead to inadequate cooling; using a refrigerant gauge will help you assess this. Additionally, ensure the condenser is free from debris that could obstruct airflow, and inspect the cabin air filter for cleanliness, as a dirty filter can hinder performance. If these initial checks do not resolve the issue, consider using diagnostic gauges to identify any pressure problems or leaks, and examine the blend door actuator for temperature control issues. By following this methodical approach, you can effectively diagnose and address common AC problems in your Subaru Impreza before seeking professional assistance.

What are the common problems that could cause the AC to stop working in a 2013 Subaru Impreza?

When your 2013 Subaru Impreza's air conditioning system fails, understanding the common problems can help you diagnose the issue effectively. One of the primary culprits is a refrigerant leak, which disrupts the cooling process and can often be identified using a dye test. Another frequent issue is a malfunctioning compressor, which is essential for circulating refrigerant; if it fails, the system cannot cool the air properly, and replacement may be necessary. Additionally, check the condenser for damage or blockages, as it plays a vital role in cooling the refrigerant. Electrical issues, such as a blown fuse or faulty relay, can also hinder AC performance, so inspecting these components is crucial. A clogged cabin air filter can restrict airflow, reducing efficiency, while problems with the evaporator core, including leaks or blockages, can lead to significant cooling issues. Lastly, ensure that there are no obstructions in the evaporator core box or fresh air intake, as these can also impact performance. By systematically checking these areas, you can identify and potentially resolve the AC issues in your Subaru Impreza.

How urgent is it to address the non-functioning AC in a 2013 Subaru Impreza?

When dealing with a non-functioning air conditioning system in your 2013 Subaru Impreza, the urgency of addressing the issue cannot be overstated. High temperatures can create an uncomfortable and potentially hazardous environment for both the driver and passengers, especially during the sweltering summer months. Vulnerable individuals, such as young children and the elderly, are particularly at risk for heat-related health issues, making it essential to restore AC functionality promptly. Additionally, neglecting the problem can lead to more severe complications, such as refrigerant leaks or compressor failures, which can escalate repair costs significantly. Simple diagnostic steps, like checking the AC fuse or replacing a dirty cabin air filter, can often resolve minor issues quickly and affordably. However, if these basic checks do not yield results, it is crucial to seek professional assistance to prevent further damage to the system. In summary, addressing a malfunctioning AC system in your Subaru Impreza is not just about comfort; it is a necessary step to ensure safety and prevent costly repairs down the line.

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