2019 Lincoln MKT AC Isn't Working

Common Causes of AC Malfunctions in Your 2019 Lincoln MKT and How to Resolve 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 2019 Lincoln MKT 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 steps to diagnose the AC issue in a 2019 Lincoln MKT?

To effectively diagnose the AC issue in your 2019 Lincoln MKT, start by checking the air filters, as clean filters are crucial for proper airflow and cooling efficiency. Next, inspect the refrigerant levels; low refrigerant can significantly hinder the system's performance, so ensure they are within the recommended range. Following this, examine the AC compressor for any visible damage or leaks, as these can directly affect its operation. Additionally, testing the thermostat is vital to confirm it is accurately regulating the vehicle's temperature. Lastly, conduct a thorough inspection of the entire AC system for any leaks, as these can lead to refrigerant loss and diminished cooling capabilities. By systematically addressing these areas, you can pinpoint the source of the AC problem and take the necessary steps to resolve it.

What are the common problems that could cause the AC to stop working in a 2019 Lincoln MKT?

When the air conditioning system in your 2019 Lincoln MKT ceases to function, 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, leading to inadequate cooling. Another common issue is a faulty compressor; if the compressor is not engaging properly, it will fail to circulate refrigerant, resulting in warm air blowing from the vents. Electrical problems, such as blown fuses or damaged wiring, can also disrupt the AC's operation, so it's wise to check these components if you experience issues. Additionally, clogged or leaking refrigerant lines can hinder the flow of refrigerant, while problems with the condenser or evaporator can significantly impact the system's cooling efficiency. Lastly, a malfunctioning blower motor may reduce airflow, making it seem like the AC isn't working effectively. For those looking to troubleshoot these issues, a thorough inspection of these components can help identify the problem, but remember that some repairs may require professional assistance to ensure proper functionality and safety.

How urgent is it to address the AC failure in my 2019 Lincoln MKT?

When faced with an AC failure in your 2019 Lincoln MKT, it is crucial to recognize the urgency of the situation. A malfunctioning air conditioning system not only compromises your comfort during hot weather but can also distract you while driving, potentially leading to unsafe conditions on the road. Moreover, delaying repairs can exacerbate the problem, resulting in more extensive damage that could incur higher repair costs down the line. By addressing the AC issue promptly, you not only enhance your driving experience but also protect the vehicle's overall condition, which is vital for maintaining its resale value. Therefore, taking immediate action to diagnose and fix the AC failure is essential for ensuring both your comfort and safety, while also safeguarding your investment in the vehicle.

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Troubleshooting 2019 Lincoln MKT AC Issues & Repair Costs