2019 Chevrolet Malibu AC Isn't Working

Common Causes of AC Failure in Your 2019 Chevrolet Malibu and How to Fix 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 2019 Chevrolet Malibu 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 2019 Chevrolet Malibu?

To effectively diagnose an AC issue in a 2019 Chevrolet Malibu, start by checking the air filters, as dirty or clogged filters can significantly hinder airflow and reduce cooling efficiency. Next, inspect the refrigerant levels; low levels may suggest a leak, which is critical to address for optimal performance. Following this, examine the compressor for any signs of damage or wear, as it plays a vital role in the AC system's operation. Additionally, testing the thermostat is crucial, as a malfunctioning thermostat can disrupt the cooling process. Finally, look for any visible leaks in the AC system, as these can lead to refrigerant loss and further cooling problems. By systematically following these steps, you can effectively narrow down the potential causes of the AC issue and take appropriate action to resolve it.

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

When the air conditioning system in a 2019 Chevrolet Malibu ceases to function, several common issues may be at play. One of the primary culprits is low refrigerant levels, which can significantly hinder the system's ability to cool the air. If the refrigerant is low, it may indicate a leak that needs to be addressed. Another frequent issue is a faulty compressor; this component is crucial for circulating refrigerant throughout the system, and if it malfunctions, the AC will not cool effectively. Additionally, electrical problems such as blown fuses or damaged wiring can disrupt the operation of the AC system, leading to a complete failure. Clogged or leaking condensers can also impede the cooling process, as they are responsible for dissipating heat from the refrigerant. Lastly, a malfunctioning blower motor can result in poor airflow from the AC vents, making it feel like the system is not working at all. By understanding these common problems, DIYers can better diagnose and potentially resolve AC issues in their Chevrolet Malibu, ensuring a comfortable driving experience.

How urgent is it to repair the non-functioning AC in a 2019 Chevrolet Malibu?

When faced with a non-functioning AC in your 2019 Chevrolet Malibu, the urgency of repair cannot be overstated. A malfunctioning AC system not only detracts from your driving comfort, especially during sweltering summer months, but it can also pose significant safety risks. For instance, if the AC affects the vehicle's defrosting capabilities, visibility can be compromised, increasing the likelihood of accidents. Moreover, neglecting AC issues can lead to more severe damage over time, resulting in costly repairs that could have been avoided with prompt attention. Additionally, maintaining a fully operational AC system is essential for preserving your vehicle's resale value, as potential buyers are likely to be deterred by known issues. Therefore, addressing AC problems swiftly is crucial for ensuring a safe, comfortable, and valuable driving experience.

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