2012 INFINITI G37 AC Isn't Working

Common Causes of AC Failure in Your 2012 INFINITI G37 and How to Restore Cool Airflow

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Reviewed by
Aisha
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 2012 INFINITI G37 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 2012 INFINITI G37?

When diagnosing an AC issue in your 2012 INFINITI G37, it's essential to adopt a systematic approach that begins with the simplest checks. Start by inspecting the air filters, as dirty or clogged filters can significantly restrict airflow, leading to diminished AC performance. Next, assess the refrigerant levels; low levels may indicate a leak, which is a common culprit for inadequate cooling. If the refrigerant appears sufficient, turn your attention to the compressor, as a malfunctioning compressor can prevent the system from cooling effectively. Additionally, examine the condenser and evaporator for any signs of damage or blockages, as these components are crucial for the heat exchange process. Finally, look for any visible leaks in the AC system, as these can lead to refrigerant loss and further impact cooling efficiency. By following this diagnostic approach, you can effectively pinpoint the source of the AC issue and take the necessary steps to resolve it.

What are the common problems that could cause the AC to stop working in a 2012 INFINITI G37?

When the air conditioning system in your 2012 INFINITI G37 ceases to function, it can be frustrating, especially during hot weather. One of the most frequent culprits is low refrigerant levels, which can occur due to leaks or insufficient charging, leading to inadequate cooling. Another common issue is a faulty compressor; if the compressor fails, it won't circulate refrigerant effectively, resulting in warm air blowing from the vents. Additionally, electrical problems such as blown fuses or damaged wiring can disrupt the AC's operation, preventing it from turning on or functioning properly. Clogged or leaking condensers can also hinder the system's ability to cool air, as they play a crucial role in dissipating heat. Lastly, a malfunctioning blower motor can significantly reduce airflow, making it seem like the AC isn't working at all. For those looking to tackle these issues themselves, it's important to systematically check each component, starting with the refrigerant levels and moving through the electrical systems, compressor, condenser, and blower motor to identify the root cause of the problem.

How urgent is it to address the AC failure in my 2012 INFINITI G37?

When dealing with an AC failure in your 2012 INFINITI G37, understanding the urgency of the situation is crucial. A malfunctioning air conditioning system not only compromises your comfort during hot weather but can also pose safety risks by distracting you from the road. The discomfort caused by excessive heat can lead to decreased focus, increasing the likelihood of accidents. Moreover, delaying repairs can exacerbate the problem, potentially resulting in more extensive and costly damage to the AC system. This not only affects your immediate driving experience but can also diminish your vehicle's resale value, as prospective buyers are often deterred by known issues. Therefore, addressing AC failures promptly is essential for maintaining a comfortable, safe, and valuable vehicle. Taking swift action ensures that you can enjoy a pleasant driving experience while safeguarding your investment in the long run.

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