2017 GMC Savana 2500 AC Isn't Working

Common Causes of AC Failure in Your 2017 GMC Savana 2500 and How to Fix Them

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Reviewed by
Andrew Hajjar
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 GMC Savana 2500 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 GMC Savana 2500?

When your 2017 GMC Savana 2500's AC isn't functioning, 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, verify the refrigerant levels using a pressure gauge, as low refrigerant can result in warm air blowing from the vents. If the refrigerant levels are adequate, examine the AC compressor to ensure it engages when the AC is activated; a malfunctioning compressor can prevent the system from cooling effectively. Additionally, look for any signs of leaks around the AC system, as these can lead to refrigerant loss and diminished cooling capacity. Finally, check all electrical connections related to the AC system for security and signs of corrosion, as faulty connections can disrupt the system's operation. By following these steps, you can systematically diagnose and potentially resolve the AC issues in your vehicle.

What are the common causes for the AC not working in a 2017 GMC Savana 2500?

When troubleshooting the air conditioning system in a 2017 GMC Savana 2500, it's essential to understand the common problems that could lead to a malfunction. One of the primary culprits is a refrigerant leak, which can significantly reduce the system's ability to produce cool air. Additionally, a faulty compressor can hinder the AC's performance, as this component is crucial for circulating refrigerant throughout the system. Electrical issues, such as blown fuses or damaged wiring, can also disrupt the AC's functionality, making it vital to check these components. Another potential issue is a clogged or blocked condenser, which can restrict airflow and diminish cooling efficiency. Furthermore, a malfunctioning thermostat may prevent the system from regulating temperature effectively, while a broken blower motor can impede the distribution of cool air within the vehicle. By identifying these common problems, DIY enthusiasts can take the first steps toward diagnosing and potentially resolving AC issues in their GMC Savana 2500. However, for more complex repairs, consulting a professional mechanic is advisable to ensure proper handling of the AC system.

How urgent is it to address the non-functioning AC in a 2017 GMC Savana 2500?

When faced with a non-functioning AC in your 2017 GMC Savana 2500, it’s crucial to recognize the urgency of the situation. Driving without air conditioning in hot weather can lead to severe discomfort and health risks, particularly for vulnerable passengers. Moreover, a malfunctioning AC may indicate underlying issues within the vehicle's cooling system, which, if left unchecked, could result in overheating and significant engine damage. Additionally, the AC system plays a vital role in defrosting the windshield, ensuring clear visibility during adverse weather conditions. By addressing the AC problem promptly, you not only enhance the comfort and safety of your driving experience but also prevent potential further damage to the system, ultimately saving on costly repairs. Therefore, while it may not seem like an immediate emergency, prioritizing the repair of your AC system is essential for the well-being of both the vehicle and its occupants.

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