2019 Land Rover Discovery Sport AC Isn't Working

Troubleshooting Common AC Issues in Your 2019 Land Rover Discovery Sport and How to Restore Comfort

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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 Land Rover Discovery Sport 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 steps to diagnose the AC issue in a 2019 Land Rover Discovery Sport?

To effectively diagnose an AC issue in your 2019 Land Rover Discovery Sport, start by checking the air filters, as clean filters are essential for optimal airflow and cooling performance. If the filters are dirty, replace them to improve efficiency. Next, inspect the refrigerant levels; low refrigerant can significantly hinder cooling, so ensure they are within the recommended range. Following this, examine the AC compressor for any signs of damage or wear, as a malfunctioning compressor can lead to inadequate cooling. It’s also important to test the thermostat to confirm it is operating correctly, as a faulty thermostat can disrupt the entire AC system. Additionally, check for any leaks in the hoses and connections, as these can cause refrigerant loss and reduce cooling efficiency. Don’t forget to inspect the electrical components, including fuses and relays, to ensure they are functioning properly. Finally, performing a system pressure test can help assess the overall health of the AC system and pinpoint any underlying issues. By following this structured approach, you can systematically identify and address the AC problems in your vehicle, ensuring a comfortable driving experience.

What are the common problems that could cause the AC system to stop working in a 2019 Land Rover Discovery Sport?

When the AC system in your 2019 Land Rover Discovery Sport ceases to function, it can be frustrating, but understanding the common problems can help you diagnose the issue. One of the primary culprits is low refrigerant levels, which can significantly impair cooling performance. If the refrigerant is low, it may indicate a leak that needs to be addressed. Another frequent issue is a faulty compressor; if the compressor is not working correctly, it will fail to circulate refrigerant, resulting in warm air blowing from the vents. Additionally, electrical problems such as blown fuses or damaged wiring can disrupt the AC system's operation, making it essential to check these components. Clogged or leaking refrigerant lines can also prevent the proper flow of refrigerant, leading to inadequate cooling. Lastly, a damaged condenser can hinder the heat exchange process, further affecting the AC's efficiency. By identifying these common problems, you can take the first steps toward troubleshooting and potentially resolving the AC issues in your vehicle.

How urgent is it to repair the non-functioning AC in a 2019 Land Rover Discovery Sport?

When faced with a non-functioning AC in a 2019 Land Rover Discovery Sport, the urgency of repair cannot be overstated. A malfunctioning AC system not only compromises passenger comfort during sweltering weather but can also lead to serious safety concerns. For instance, without proper ventilation, windows may fog up, obstructing visibility and increasing the risk of accidents. Additionally, operating a faulty AC can strain other vehicle components, potentially resulting in more extensive and costly repairs. Furthermore, neglecting AC issues can adversely affect the vehicle's resale value, as prospective buyers often seek well-maintained systems. Therefore, addressing AC problems promptly is essential to ensure a safe, comfortable driving experience and to protect the vehicle's overall integrity and value.

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