2017 INFINITI QX80 AC Isn't Working

Common Causes of AC Malfunctions in Your 2017 INFINITI QX80 and How to Resolve Them

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Reviewed by
Andrew Hajjar
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 2017 INFINITI QX80 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 2017 INFINITI QX80?

When your 2017 INFINITI QX80's AC isn't functioning properly, start by checking the thermostat settings to ensure they are correctly adjusted. Sometimes, the simplest solution is just a matter of incorrect settings. Next, inspect the air filters; dirty or clogged filters can significantly hinder airflow, so replacing them can often restore AC performance. It's also crucial to examine the refrigerant levels, as low levels can lead to warm air blowing from the vents. Use a pressure gauge to assess these levels and add refrigerant if necessary. Additionally, look for any signs of leaks in the AC system, such as oily residue around hoses or connections, which can indicate a refrigerant loss. The AC compressor should also be checked to ensure it engages properly when the system is activated, as a malfunctioning compressor can prevent cooling. Finally, test the electrical components, including fuses and relays, to rule out any electrical issues that might be affecting the AC's operation. By systematically following these steps, you can effectively diagnose and address common AC problems in your INFINITI QX80.

What are the common causes for the AC not working in a 2017 INFINITI QX80?

When troubleshooting the air conditioning system in a 2017 INFINITI QX80, it's essential to understand the common problems that could lead to a malfunction. One prevalent issue is a refrigerant leak, which can significantly reduce the system's ability to produce cool air. Additionally, a faulty compressor may hinder the circulation of refrigerant, resulting in inadequate cooling. Electrical issues, such as blown fuses or damaged wiring, can also disrupt the AC's functionality. Another factor to consider is a clogged or blocked condenser, which can obstruct airflow and diminish cooling efficiency. A malfunctioning thermostat may prevent the system from accurately regulating temperature, while a broken blower motor can stop air circulation entirely. To effectively address these issues, it's advisable to conduct a thorough inspection of the AC system, as identifying the specific cause is crucial for implementing the right repairs and restoring comfort in your vehicle.

How urgent is it to address the AC failure in my 2017 INFINITI QX80?

When faced with an AC failure in your 2017 INFINITI QX80, it is crucial to recognize the urgency of the situation. 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 leading to more extensive and costly damage to the AC system. This not only affects your immediate driving experience but can also diminish the resale value of your vehicle. By addressing AC issues promptly, you ensure a comfortable and safe driving environment while also protecting your investment in the long run. Therefore, it is advisable to take action as soon as you notice any signs of AC failure to maintain both your vehicle's performance and your peace of mind.

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2017 INFINITI QX80 AC Not Working? Common Issues & Repairs