2018 Chevrolet Equinox AC Isn't Working

Common Causes of AC Failure in Your 2018 Chevrolet Equinox and How to Fix Them

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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 2018 Chevrolet Equinox 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 steps should I take to diagnose the AC issue in my 2018 Chevrolet Equinox?

When diagnosing the AC issue in your 2018 Chevrolet Equinox, it's essential to adopt a systematic diagnostic approach that prioritizes simpler checks before delving into more complex assessments. Begin by inspecting the air filters, as clogged filters can significantly hinder airflow and cooling efficiency. Next, verify the refrigerant levels; low levels can lead to inadequate cooling, so ensuring they are within the recommended range is crucial. Following this, examine the AC compressor for any signs of wear or damage, as a malfunctioning compressor can severely impact performance. Additionally, inspect the AC condenser for blockages or damage, which can also affect cooling capacity. Be vigilant for any visible leaks in the system, as these can lead to refrigerant loss and diminished cooling. Finally, test the thermostat to confirm it is functioning correctly, as a faulty thermostat can result in inconsistent cooling. If these initial checks do not resolve the issue, it may be time to consult a professional mechanic for a more thorough diagnosis and repair. By following this structured approach, you can effectively identify and address the AC problems in your vehicle.

What are the common problems that could cause the AC to stop working in a 2018 Chevrolet Equinox?

When the air conditioning system in your 2018 Chevrolet Equinox fails to cool, it can be frustrating, but understanding the common problems can help you diagnose the issue effectively. One of the primary culprits is low refrigerant levels, which can occur due to leaks or insufficient charging, preventing the system from achieving optimal cooling. Another frequent issue is a faulty compressor; if the compressor is not engaging or is damaged, it will fail to circulate refrigerant, leading to a lack of cool air. Additionally, electrical problems such as blown fuses or faulty relays can disrupt the AC's operation, so checking these components is essential. Clogged or leaking condensers can also hinder performance, as they are crucial for dissipating heat from the refrigerant. Lastly, ensure that the cooling fans are functioning properly; if they are broken or not operating at the correct speed, the system may struggle to cool effectively. By systematically checking these areas, you can identify and address the root cause of your AC issues, potentially saving on repair costs and restoring comfort to your vehicle.

How urgent is it to repair the non-functioning AC in a 2018 Chevrolet Equinox?

When it comes to repairing a non-functioning AC in your 2018 Chevrolet Equinox, urgency is key. A malfunctioning AC system can significantly detract from your driving comfort, especially during sweltering summer months or on long road trips. Beyond mere comfort, the AC plays a crucial role in maintaining visibility; without proper defogging capabilities, your windows may fog up, creating a dangerous driving environment. Additionally, neglecting AC issues can lead to more severe problems down the line, resulting in costly repairs that could have been avoided with timely intervention. Furthermore, a well-maintained AC system contributes to the overall resale value of your vehicle, making it a wise investment to address any issues promptly. In summary, while the urgency may vary based on personal circumstances, prioritizing the repair of your AC system is essential for ensuring a safe, comfortable, and valuable driving experience.

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2018 Chevrolet Equinox AC Not Working: Causes & Repairs