2019 Volvo S90 AC Isn't Working

Common Causes of AC Malfunctions in Your 2019 Volvo S90 and How to Resolve Them

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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 2019 Volvo S90 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 2019 Volvo S90?

When your 2019 Volvo S90's AC isn't functioning properly, start by checking the thermostat settings to confirm that the system is set to cool and the temperature is appropriately adjusted. If the settings are correct, inspect the air filters for dirt or clogs, as these can significantly hinder airflow and cooling efficiency. Next, examine the refrigerant levels; low levels can lead to inadequate cooling, so using a pressure gauge can help you determine if a refill is necessary. Additionally, look for any signs of leaks around the AC system, such as oily residue, which can indicate refrigerant loss. Pay attention to the AC compressor as well; listen for unusual noises that may suggest a malfunction. Finally, ensure that all electrical connections related to the AC system are secure, as faulty components can prevent the system from operating effectively. By systematically addressing these areas, you can identify and potentially resolve the AC issues in your Volvo S90.

What are the common problems that could cause the AC to stop working in a 2019 Volvo S90?

When the air conditioning system in your 2019 Volvo S90 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 is not engaging properly, the system will fail to circulate refrigerant, resulting in no cool air. Additionally, electrical problems, such as blown fuses or damaged wiring, can disrupt the AC's operation, making it essential to check these components. A clogged or leaking condenser can also hinder the system's ability to cool effectively, as it plays a crucial role in dissipating heat. Lastly, a malfunctioning thermostat may not accurately regulate the temperature, further impacting the AC's performance. For those looking to troubleshoot these issues, it's advisable to start with a visual inspection of the refrigerant levels and electrical connections, but for more complex problems, consulting a qualified mechanic is recommended to ensure proper diagnosis and repair.

How urgent is it to address the AC failure in a 2019 Volvo S90?

When faced with an AC failure in your 2019 Volvo S90, it is crucial to recognize the urgency of the situation. While it may not seem like an immediate emergency, delaying repairs can lead to significant discomfort during extreme weather conditions, which can distract you from safe driving. Moreover, a malfunctioning AC system may indicate deeper issues within your vehicle, potentially escalating into more severe problems that could require costly repairs down the line. By addressing the AC failure promptly, you not only enhance your driving comfort but also safeguard against further damage to the vehicle's cooling system. Taking swift action ensures a more pleasant driving experience and helps maintain the overall health of your car, making it a wise choice for any DIY enthusiast looking to keep their Volvo in top condition.

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