2014 Subaru BRZ AC Isn't Working

Common Causes of AC Failure in Your 2014 Subaru BRZ and How to Restore Cool 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 2014 Subaru BRZ 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 initial steps to diagnose the AC issue in a 2014 Subaru BRZ?

When diagnosing an AC issue in your 2014 Subaru BRZ, start with the simplest checks to avoid unnecessary complications. Begin by assessing the refrigerant levels, as low refrigerant is a frequent culprit for inadequate cooling. Next, inspect the cabin air filter; a clogged filter can significantly reduce airflow and cooling efficiency. If these initial checks don’t reveal the problem, examine the condenser for dirt or blockages that could impair performance. Additionally, look for any signs of refrigerant leaks, which may stem from worn seals or damaged hoses. It’s also crucial to verify that the blend door is functioning properly, as it regulates the temperature inside the vehicle. Finally, familiarizing yourself with the basic principles of AC systems can enhance your understanding and help pinpoint any faulty components. By following this structured approach, you can effectively troubleshoot and potentially resolve AC issues in your Subaru BRZ.

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

When dealing with a malfunctioning AC system in a 2014 Subaru BRZ, it's essential to understand the common problems that could be at play. One of the primary culprits is the refrigerant level; both low and overcharged refrigerant can significantly impair the system's cooling capacity. Additionally, a malfunctioning compressor may prevent the AC from delivering cold air, while a clogged cabin air filter can restrict airflow, leading to inadequate cooling. It's also important to check the cleanliness of the condenser and evaporator coils, as dirt buildup can hinder heat transfer and reduce efficiency. A sluggish or dirty blower motor can further exacerbate airflow issues, making it difficult for the system to circulate air properly. Lastly, electrical problems within the climate control system can disrupt the AC's functionality. By being aware of these common issues, DIYers can take proactive steps to diagnose and resolve AC problems, ensuring a comfortable driving experience. Regular maintenance and timely repairs are key to keeping the AC system in optimal working condition.

How urgent is it to address the non-functioning AC in my 2014 Subaru BRZ?

When it comes to your 2014 Subaru BRZ, the urgency of addressing a non-functioning AC system cannot be overstated. Driving without a working air conditioning unit can lead to significant discomfort, especially during the sweltering summer months, where high temperatures can make your vehicle feel like an oven. More critically, neglecting this issue can pose safety risks, as extreme heat can lead to heat exhaustion or heat stroke, particularly for vulnerable passengers such as children or the elderly. Additionally, a malfunctioning AC system may indicate underlying problems, such as refrigerant leaks or compressor failures, which, if left unaddressed, could escalate into more severe and costly repairs. Therefore, it is essential to diagnose and fix your AC issues promptly to ensure a safe and comfortable driving experience.

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2014 Subaru BRZ AC Not Working: Causes & Repairs | RepairPal