2017 Chevrolet Impala AC Isn't Working

Common Causes of AC Failure in Your 2017 Chevrolet Impala and How to Fix Them

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Reviewed by
Bo Fader
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 2017 Chevrolet Impala 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 2017 Chevrolet Impala?

When your 2017 Chevrolet Impala's AC isn't functioning properly, start by checking the thermostat settings to ensure they are correctly adjusted to a cool temperature, as incorrect settings can often be the simplest explanation for the issue. Next, inspect the air filters; dirty or clogged filters can significantly restrict airflow, leading to poor AC performance. If the filters are clean, examine the refrigerant levels, as low refrigerant can cause the system to blow warm air. You can use a pressure gauge for this task or seek professional help if you're unsure. Additionally, look for any visible signs of leaks in the AC system, such as oily residue, which can indicate a refrigerant loss. The AC compressor is another critical component to check; listen for unusual noises and inspect it for any visible damage. Finally, ensure that all electrical connections related to the AC system are secure, as faulty wiring can prevent the system from operating correctly. By following these steps, you can effectively diagnose common AC issues in your Impala and determine whether further professional assistance is needed.

What are the common problems that could cause the AC to stop working in a 2017 Chevrolet Impala?

When the air conditioning system in your 2017 Chevrolet Impala stops functioning, it can be frustrating, especially during hot weather. One of the most frequent culprits is low refrigerant levels, which can occur due to leaks or insufficient charging, preventing the system from cooling effectively. Another common issue is a faulty compressor; if the compressor is not engaging properly, it can lead to a complete lack of 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 hinder the system's ability to dissipate heat, while a malfunctioning blower motor may result in weak airflow from the vents, further compromising cooling performance. For those looking to tackle these issues themselves, it's crucial to diagnose the problem accurately, as addressing these common failures can often restore your vehicle's AC functionality without the need for professional intervention.

How urgent is it to repair the non-functioning AC in a 2017 Chevrolet Impala?

When faced with a non-functioning AC in your 2017 Chevrolet Impala, the urgency of repair cannot be overstated. The discomfort caused by a malfunctioning air conditioning system can significantly detract from your driving experience, especially during sweltering summer months. Moreover, the safety implications are critical; without proper cooling, windows may fog up, impairing visibility and increasing the risk of accidents. Additionally, neglecting AC repairs can adversely affect your vehicle's resale value, as potential buyers often shy away from cars that require significant repairs. Lastly, a faulty AC system can place undue strain on other mechanical components, potentially leading to more extensive and costly damage if not addressed promptly. Therefore, it is advisable to prioritize the repair of your AC system to ensure a comfortable, safe, and reliable driving experience.

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