2018 Chevrolet City Express AC Isn't Working

Common Causes of AC Failure in Your 2018 Chevrolet City Express and How to Fix 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 2018 Chevrolet City Express 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 2018 Chevrolet City Express?

When faced with an AC malfunction in your 2018 Chevrolet City Express, start by checking the thermostat settings to ensure they are correctly adjusted. Often, the issue may stem from simple user error. Next, inspect the air filters; dirty or clogged filters can significantly hinder airflow and cooling efficiency, so replacing them can be a quick fix. After that, examine the refrigerant levels using a pressure gauge, as low levels can lead to inadequate cooling. If the refrigerant is low, look for any signs of leaks, such as oily residue around hoses or connections, which can indicate a loss of refrigerant. Additionally, test the compressor to confirm it engages when the AC is activated, as a malfunctioning compressor can prevent proper cooling. Don’t forget to check the electrical connections for any signs of corrosion or looseness, as these can disrupt the AC system's functionality. Finally, using a diagnostic tool to scan for error codes can provide insights into specific issues affecting the AC system. By following these steps, you can effectively diagnose and potentially resolve the AC issues in your Chevrolet City Express.

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

When your 2018 Chevrolet City Express experiences AC failure, understanding the common problems can empower you to diagnose the issue yourself. One of the primary culprits is low refrigerant levels, which can significantly hinder the cooling process. If the refrigerant is low, it may indicate a leak in the system that needs to be addressed. Another frequent issue is a faulty compressor; if the compressor isn't functioning correctly, it won't circulate the refrigerant, leading to inadequate cooling. 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 impede the system's ability to cool air effectively, so inspecting this part is crucial. Lastly, a malfunctioning blower motor can result in poor airflow from the vents, further diminishing the AC's performance. By familiarizing yourself with these common problems, you can take the first steps toward diagnosing and potentially fixing the AC issues in your vehicle.

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

Repairing the non-functioning AC in a 2018 Chevrolet City Express is an urgent matter that should not be overlooked. The discomfort caused by a faulty AC can significantly detract from the driving experience, especially during sweltering summer months or on long journeys, where excessive heat can lead to health issues for occupants. Moreover, the safety implications are critical; high temperatures can impair a driver's focus and reaction time, increasing the risk of accidents. Additionally, a well-functioning AC system is a key factor in maintaining the vehicle's resale value; potential buyers are likely to be deterred by a vehicle lacking essential features like air conditioning. Furthermore, neglecting AC repairs can lead to more severe mechanical problems, such as damage to the compressor, which could result in costly repairs down the line. Therefore, addressing AC issues promptly is essential for ensuring a comfortable, safe, and valuable driving experience.

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