2016 Subaru BRZ Ac Isn't Working

Common Causes of AC Failure in Your 2016 Subaru BRZ and How to Restore Cool Airflow

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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 2016 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 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 2016 Subaru BRZ?

When diagnosing an AC issue in your 2016 Subaru BRZ, it's essential to start with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by inspecting the fuses and relays associated with the AC system, as blown fuses can often be the culprit behind malfunctioning air conditioning. Next, verify the engagement of the compressor clutch; when the AC is activated, you should hear a distinct click or see the compressor pulley engage. If it fails to do so, this may indicate an electrical issue or low refrigerant levels. Following this, conduct an electrical system check to ensure all connections are secure and that voltage is present at the compressor clutch plug. If the electrical system appears intact, proceed to check the refrigerant levels using a gauge, as low levels can prevent the compressor from engaging. Additionally, inspect the condenser for blockages and the cabin air filter for clogs, as these can significantly impact AC performance. If these initial steps do not resolve the issue, consider more advanced diagnostics, such as using a recovery machine to inspect the system for leaks or wear. By following this structured approach, you can effectively identify and address common AC problems in your Subaru BRZ.

What are the common problems that could cause the AC to stop working in a 2016 Subaru BRZ?

When troubleshooting the air conditioning system in a 2016 Subaru BRZ, it's essential to consider several common problems that could lead to a malfunction. Start by examining electrical issues, as blown fuses or faulty relays can disrupt the AC's operation. Ensure that all relevant fuses, particularly the high-amperage fuse for the AC compressor, are intact. If the electrical components check out, investigate the refrigerant system for leaks or low levels, which can cause the compressor to disengage. A refrigerant recharge kit can help diagnose this issue, or you may opt for a professional dye test to locate any leaks. Additionally, the AC compressor itself may be at fault; if it fails to engage, it might need replacement. Don't overlook the condenser, as blockages or damage can hinder refrigerant cooling. A thorough inspection for debris between the condenser and radiator is advisable. Furthermore, a clogged cabin air filter can significantly reduce AC efficiency, so ensure it is clean. Lastly, check the blend door actuator for any defects that could affect airflow and temperature control, and inspect all connectors and wiring for secure connections and damage. By systematically addressing these potential issues, you can effectively diagnose and resolve the AC problems in your Subaru BRZ.

How urgent is it to address the AC failure in my 2016 Subaru BRZ?

When it comes to the AC failure in your 2016 Subaru BRZ, the urgency of addressing the issue cannot be overstated. A malfunctioning air conditioning system not only compromises your comfort during hot weather but can also create a hazardous driving environment, particularly on long trips or in heavy traffic. The discomfort of a sweltering car can distract you from the road, increasing the risk of accidents. Moreover, neglecting the problem can lead to more severe complications within the AC system. For instance, if the failure is due to a refrigerant leak, allowing the system to operate under these conditions can result in significant damage to the compressor and other critical components, leading to costly repairs. Regular maintenance is essential to keep your AC functioning efficiently, as issues like clogged filters can exacerbate problems if left unattended. Therefore, it is crucial to diagnose and resolve any AC issues as soon as they arise to ensure a safe and comfortable driving experience while preventing further damage to your vehicle. If you're unsure about tackling the repairs yourself, seeking professional assistance is highly recommended to avoid escalating the problem.

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Diagnosing AC Problems in Your 2016 Subaru BRZ