2007 INFINITI FX35 AC Isn't Working

Common Causes of AC Failure in Your 2007 INFINITI FX35 and How to Restore Cool Airflow

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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 2007 INFINITI FX35 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 diagnostic steps to take when the AC isn't working in a 2007 INFINITI FX35?

When your 2007 INFINITI FX35's AC system fails to cool, start by checking the thermostat settings to ensure they are correctly adjusted to a cool temperature, as incorrect settings can often be the simplest explanation for the issue. Next, inspect the air filters; dirty or clogged filters can significantly restrict airflow, leading to poor AC performance. If the filters are clean, examine the refrigerant levels, as low refrigerant can result in warm air blowing from the vents. You can use a pressure gauge for this check or seek professional help if you're unsure. Additionally, look for any visible signs of leaks in the AC system, such as oily residue around hoses and connections, which can indicate refrigerant loss. The AC compressor is another critical component to inspect; listen for unusual noises and check for any visible damage. Finally, ensure that all electrical connections related to the AC system are secure and functioning properly, as faulty electrical components can prevent the system from operating effectively. By following these steps, you can systematically diagnose and potentially resolve the AC issues in your vehicle.

What are the common problems that could cause the AC to stop working in a 2007 INFINITI FX35?

When troubleshooting the air conditioning system in a 2007 INFINITI FX35, it's essential to understand the common problems that could lead to a malfunction. One prevalent issue is refrigerant leaks, which can significantly reduce the system's ability to produce cold air. If the compressor is faulty, it may fail to circulate the refrigerant effectively, resulting in inadequate cooling. Additionally, electrical problems such as blown fuses or damaged wiring can disrupt the AC's operation, preventing it from functioning correctly. A clogged or blocked condenser can also hinder the system's performance by obstructing heat release, while a malfunctioning thermostat may fail to regulate the AC's operation properly. By identifying and addressing these issues, you can effectively troubleshoot and potentially restore the cooling functionality of your vehicle's air conditioning system.

How urgent is it to repair the AC in a 2007 INFINITI FX35 that isn't working?

When the air conditioning in your 2007 INFINITI FX35 fails, the urgency of repair cannot be overstated. In hot climates, a malfunctioning AC can turn your vehicle into an uncomfortable space, making every drive a challenge. For individuals with health conditions sensitive to heat, the absence of a working AC can pose serious health risks, making it essential to address the issue promptly. Additionally, if you plan to sell your vehicle in the future, a fully functional AC system can significantly enhance its resale value, as buyers often look for well-maintained vehicles. Moreover, delaying repairs can lead to more severe problems within the AC system, potentially resulting in costly repairs that could have been avoided. Therefore, it is crucial to assess the situation and prioritize the repair of your AC to ensure comfort, health, and the longevity of your vehicle.

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