2014 Mazda 5 AC Isn't Working

Common Causes of AC Failure in Your 2014 Mazda 5 and How to Restore Cool Airflow

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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 2014 Mazda 5 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 best Mazda repair shops?

RepairPal Certified shops can diagnose and repair your 2014 Mazda 5 climate control issues. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
30 Certified Locations
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Tuffy Tire & Auto Service Center - Grandview

4.7
(85)
2.39 mi
1524 W 5th Ave
Columbus, OH
Open
Closes 5:00 PM
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Excite Auto Repair & Towing

4.4
(15)
5.94 mi
3430 Westerville Road
Columbus, OH
Open
Closes 6:00 PM
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All In Auto Service

4.9
(25)
6.56 mi
5200 Fisher Road
Columbus, OH
Open
Closes 6:00 PM
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Tuffy Tire & Auto Service - Grove City

4.4
(520)
6.67 mi
2131 Stringtown Rd
Grove City, OH
Open
Closes 6:00 PM
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What are the initial diagnostic steps to take when the AC isn't working in a 2014 Mazda 5?

When your 2014 Mazda 5's AC isn't functioning properly, start by ensuring that the thermostat is correctly set to a cool temperature and that the AC is activated. This simple step can often resolve the issue if the settings were inadvertently changed. Next, inspect the air vents to confirm that air is flowing; a lack of airflow may indicate a problem with the blower motor or potential blockages in the air ducts. Pay attention to any unusual noises when the AC is running, as these sounds can signal issues with the compressor or other components. It's also crucial to check the refrigerant levels, as low levels can result in warm air blowing from the vents. Look for any visible signs of leaks around the AC system, such as oily residue, which can lead to refrigerant loss and diminished performance. Finally, ensure that the compressor is engaging when the AC is turned on, as this is essential for the system to function correctly. If these initial checks do not resolve the problem, it may be time to consult a professional for a more thorough diagnosis.

What are the common problems that could cause the AC system to stop working in a 2014 Mazda 5?

When the AC system in your 2014 Mazda 5 ceases to function, it can be frustrating, but understanding the common problems can help you troubleshoot effectively. One of the primary culprits is low refrigerant levels, which can significantly hinder the system's cooling ability. If the refrigerant is low, it may indicate a leak that needs to be addressed. Another frequent issue is related to the compressor; a faulty clutch or complete compressor failure can prevent the system from circulating refrigerant properly. Additionally, electrical problems, such as blown fuses or damaged wiring, can disrupt the AC's operation, making it essential to check these components. The condenser is also a critical part of the system; any damage or blockage can impair cooling performance. Similarly, issues with the evaporator, like leaks or clogs, can lead to inadequate cooling. Lastly, don’t overlook the blower motor, as a malfunction here can result in poor airflow through the vents, further diminishing the AC's effectiveness. By identifying these common problems, you can take the first steps toward diagnosing and potentially fixing your AC system.

How urgent is it to repair the non-functioning AC in a 2014 Mazda 5?

Addressing the non-functioning AC in your 2014 Mazda 5 should be a priority, especially as the summer heat approaches. A malfunctioning air conditioning system not only compromises your comfort during daily commutes and long drives but can also signal deeper issues within the vehicle's cooling system that may affect engine performance and longevity. Ignoring these symptoms can lead to more significant problems down the line, resulting in higher repair costs as the underlying issues worsen. Furthermore, a faulty AC can detract from your car's resale value, as potential buyers may view it as a costly repair they would need to undertake. Therefore, it is crucial to act promptly to ensure your vehicle remains comfortable, reliable, and valuable.

Related 2014 Mazda 5 Problems

Read about related problems experienced by other Mazda 5 drivers like you.

Mazda 5 air conditioning inoperative after long-term storage with exposure to elements
Some Mazda 5 owners report experiencing issues with their air conditioning systems after long-term storage with exposure to the elements, including refrigerant leaks that prevent proper functionality. Others have noted problems with the compressor, which may fail to engage due to storage conditions. Additionally, some owners encounter electrical issues affecting climate control, leading to further malfunctions. A clogged air filter can also hinder airflow, impacting the system's performance. Moreover, mechanical damage to the compressor clutch or the compressor itself has been reported, resulting in the air conditioning system not working correctly. To resolve these issues, it is recommended that owners inspect for refrigerant leaks, check compressor functionality, ensure electrical components are working properly, clean or replace the air filter, and consult a qualified mechanic for a thorough inspection.
2 model years affected
Avg Mileage: 156,766
8 others reported problem
4 comments
Mazda 5 sliding door latch issue with screws coming loose and compromising door safety
Some Mazda 5 owners report experiencing issues with the sliding door latch, particularly with screws coming loose, which can compromise door safety. This problem can result in the door not closing properly, posing a significant safety risk. Owners are advised to address loose screws promptly to ensure the door functions correctly and securely. Regular maintenance checks are crucial for inspecting the screws and latch mechanism for any signs of wear or loosening. Additionally, securely tightening the screws is recommended to prevent further complications. In cases where screws repeatedly come loose, some owners find it necessary to replace them to maintain the latch's effectiveness and safety.
1 model year affected
Avg Mileage: 155,565
2 others reported problem
1 comment
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