2009 Dodge Durango AC Isn't Working

Common Causes of AC Failure in Your 2009 Dodge Durango 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 2009 Dodge Durango 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 2009 Dodge Durango?

When your 2009 Dodge Durango'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 problem. Next, inspect the air filters; dirty or clogged filters can significantly restrict airflow, so replacing them can enhance the AC's performance. It's also crucial to examine the refrigerant levels, as low levels can lead to system malfunctions. Use a gauge to check these levels and add refrigerant if necessary. Additionally, look for any visible signs of leaks, such as oily residue around hoses or connections, which can indicate a refrigerant loss. Testing the compressor is another vital step; ensure it engages properly when the AC is activated, as a malfunctioning compressor may require repair or replacement. Don't forget to check the electrical connections, including fuses and relays, since faulty connections can hinder the AC's operation. If these initial steps do not resolve the issue, it may be wise to consult a professional mechanic or HVAC technician who specializes in automotive AC systems for a more thorough diagnosis and repair.

What are the common problems that could cause the AC to stop working in a 2009 Dodge Durango?

When diagnosing AC issues in a 2009 Dodge Durango, it's essential to consider several common problems that could be affecting the system's performance. One of the primary culprits is low refrigerant levels, which can significantly hinder the cooling efficiency of the AC. 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 is not functioning correctly, it will fail to circulate refrigerant, resulting in inadequate cooling. Additionally, electrical problems such as blown fuses or damaged wiring can disrupt the AC's operation, making it crucial to inspect these components. Clogged or leaking refrigerant lines can also impede the flow of refrigerant, leading to poor cooling performance. Lastly, issues with the condenser or evaporator, which are vital for the cooling process, can further complicate matters. For those looking to tackle these problems themselves, a thorough inspection of these components can help identify the root cause of the AC failure, allowing for informed repairs or maintenance.

How urgent is it to address the non-functioning AC in a 2009 Dodge Durango?

Addressing a non-functioning AC in a 2009 Dodge Durango is crucial for several reasons. First and foremost, driving without a functioning air conditioning system can lead to significant discomfort, particularly during hot weather, which can distract the driver and compromise safety. Moreover, the AC system's failure may indicate deeper issues within the vehicle's cooling system, potentially leading to more severe damage if not addressed promptly. Ignoring these symptoms can escalate repair costs, as minor problems can develop into major repairs over time. Additionally, a malfunctioning AC can detract from the overall driving experience and negatively affect the vehicle's resale value. Therefore, it is essential to prioritize the repair of the AC system to maintain comfort, ensure safety, and protect your investment in the vehicle.

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