2017 Land Rover Discovery Sport AC Isn't Working

Common Causes of AC Malfunctions in Your 2017 Land Rover Discovery Sport 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 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 initial steps to diagnose the AC issue in a 2017 Land Rover Discovery Sport?

To effectively diagnose an AC issue in your 2017 Land Rover Discovery Sport, start by checking the air filters, as clean filters are essential for proper airflow and cooling efficiency. Next, inspect the refrigerant levels; low refrigerant can significantly hinder the AC's performance, so ensure they are within the recommended range. Following this, examine the AC compressor for any visible signs of damage or wear, as a malfunctioning compressor can lead to inadequate cooling. Additionally, test the thermostat to confirm it is accurately regulating the temperature within the vehicle. Finally, look for any leaks in the AC system, as these can result in refrigerant loss and diminished cooling capabilities. By systematically addressing these areas, you can identify and potentially resolve the AC issues in your vehicle, making the process manageable and straightforward for any DIYer.

What are the common problems that could cause the AC to stop working in a 2017 Land Rover Discovery Sport?

When the air conditioning system in your 2017 Land Rover Discovery Sport fails to cool, it can be frustrating, but understanding the common problems can help you diagnose the issue effectively. One of the first things to check is the refrigerant level; low refrigerant can significantly hinder the AC's cooling performance. If the refrigerant is adequate, the next step is to inspect the compressor, as a faulty compressor may prevent the system from producing cold air altogether. Additionally, electrical issues such as blown fuses or damaged wiring can disrupt the AC's operation, so examining these components is crucial. Another common issue is a clogged or leaking condenser, which can severely impact the system's ability to cool the air. Lastly, ensure that the cooling fans are functioning properly, as broken fans can prevent the AC from dissipating heat effectively. By systematically checking these areas, you can identify and potentially resolve the AC issues in your vehicle, restoring comfort during your drives.

How urgent is it to address the AC failure in a 2017 Land Rover Discovery Sport?

Addressing an AC failure in a 2017 Land Rover Discovery Sport should be considered a priority, even if it may not seem like an immediate emergency. The discomfort caused by a malfunctioning AC system can significantly detract from the driving experience, particularly during extreme weather conditions, which can lead to driver distraction and reduced focus on the road. Moreover, an AC failure may indicate deeper issues within the vehicle's cooling system, potentially resulting in overheating and severe engine damage if left unchecked. By addressing AC problems promptly, you not only enhance passenger comfort but also mitigate the risk of incurring higher repair costs due to further damage. Regular maintenance and timely repairs are essential for ensuring the AC system operates efficiently, ultimately contributing to the vehicle's longevity and performance. Therefore, while it may be tempting to delay repairs, taking swift action is crucial for maintaining both safety and comfort in your Land Rover Discovery Sport.

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