2018 Chevrolet Bolt EV AC Isn't Working

Common Causes of AC Issues in Your 2018 Chevrolet Bolt EV 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 2018 Chevrolet Bolt EV 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 2018 Chevrolet Bolt EV?

When diagnosing an AC issue in your 2018 Chevrolet Bolt EV, start with the simplest solutions before delving into more complex diagnostics. First, ensure that the thermostat is set correctly and that the AC is activated, as minor adjustments can often resolve the problem. Next, inspect the air vents to confirm that air is flowing; a lack of airflow may indicate a malfunctioning blower motor or a blockage in the ducts. Pay attention to any unusual sounds when the AC is running, as these could signal issues with the compressor or other components. Additionally, check the temperature of the air coming from the vents; if it’s not cold enough, you might be facing a refrigerant leak or compressor failure. Finally, visually inspect the AC system for any signs of leaks around the compressor, hoses, or connections, as these can significantly affect performance. By following these steps, you can effectively narrow down the potential causes of your AC issues and take the first steps toward a solution.

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

When the air conditioning system in a 2018 Chevrolet Bolt EV fails to operate, several common problems may be at play. One of the primary culprits is low refrigerant levels, which can significantly impair the system's ability to cool the air effectively. Additionally, electrical issues such as a blown fuse or a malfunctioning compressor clutch can disrupt the AC's functionality. Another frequent issue is a clogged or dirty condenser, which can obstruct airflow and hinder the cooling process. A faulty compressor may also be responsible, as it is crucial for producing cold air. Lastly, leaks in the refrigerant lines can lead to a loss of refrigerant, further compromising the system's performance. Identifying and addressing these issues promptly is vital for restoring the AC's functionality and ensuring a comfortable driving experience.

How urgent is it to address the non-functioning AC in a 2018 Chevrolet Bolt EV?

Addressing a non-functioning AC in a 2018 Chevrolet Bolt EV is of utmost urgency due to the immediate impact it has on both comfort and safety. Without a functioning air conditioning system, the interior of the vehicle can become uncomfortably hot, especially during the sweltering summer months, leading to a distracting and potentially hazardous driving environment. Excessive heat can impair concentration and increase the risk of heat-related health issues, making it crucial to rectify the situation promptly. Moreover, delaying repairs can exacerbate the problem, potentially leading to more extensive and costly damage to the AC system. By taking swift action to diagnose and repair the AC, you not only ensure a more pleasant driving experience but also safeguard against future complications that could arise from neglecting the issue. Therefore, it is essential to prioritize the repair of your vehicle's AC system to maintain both comfort and safety on the road.

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