2018 Chevrolet Volt AC Isn't Working

Common Causes of AC Malfunctions in Your 2018 Chevrolet Volt and How to Fix Them

Find Repair Location
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 Volt 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 steps to diagnose the AC issue in a 2018 Chevrolet Volt?

To effectively diagnose an AC issue in your 2018 Chevrolet Volt, start with the simplest solutions before progressing to more intricate assessments. Begin by checking the air filters; clean or replace them if they are clogged, as this can significantly impact airflow and cooling efficiency. Next, inspect the refrigerant levels, ensuring they are adequate, since low levels can lead to insufficient cooling. If the refrigerant is fine, examine the compressor for any signs of damage or wear, as a malfunctioning compressor can hinder performance. Following this, test the thermostat to confirm it is regulating the vehicle's temperature correctly. Additionally, look for any visible leaks in the AC system, as these can cause refrigerant loss and affect cooling. Don’t forget to inspect the electrical components, including fuses and wiring, to rule out any electrical issues. Finally, if all else checks out, perform a system pressure test to evaluate the overall health of the AC system. By systematically following these steps, you can effectively diagnose and address any AC issues in your Chevrolet Volt, ensuring optimal cooling performance.

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

When troubleshooting the AC system in a 2018 Chevrolet Volt, it's crucial to understand the common problems that may lead to its failure. One of the primary issues is low refrigerant levels, which can significantly impair the system's ability to cool the air effectively. If you notice that your AC isn't blowing cold air, checking the refrigerant levels should be your first step. Additionally, electrical issues can arise, such as a malfunctioning compressor or damaged wiring, which can disrupt the entire AC operation. Another frequent culprit is a clogged or dirty condenser; maintaining clean components is essential for optimal airflow and cooling performance. Furthermore, a malfunctioning compressor can prevent the system from producing cold air altogether, while thermostat issues can hinder the AC's ability to regulate temperature properly. By identifying and addressing these common problems, you can restore your vehicle's AC functionality and ensure a comfortable driving experience.

How urgent is it to repair the AC system in a 2018 Chevrolet Volt that isn't working?

When the AC system in your 2018 Chevrolet Volt is not functioning, it’s essential to assess the urgency of the repair. While it may not seem like an immediate emergency, the implications of a faulty AC can significantly affect your driving experience. A malfunctioning system can lead to discomfort during hot weather, making long drives unbearable. Moreover, if the AC is not effectively defogging the windows, it can compromise visibility, posing a safety risk on the road. Additionally, a well-functioning AC system plays a crucial role in filtering out pollutants and allergens, which is vital for maintaining good air quality and the health of passengers. Lastly, neglecting the AC system can diminish the vehicle's resale value, as many potential buyers prioritize a fully operational climate control system. Therefore, while it may be tempting to delay repairs, addressing AC issues promptly can enhance comfort, ensure safety, promote health, and protect your investment in the long run.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.

2018 Chevrolet Volt AC Not Working: Causes & Repair Costs