2024 Land Rover Defender 90 AC Isn't Working

Troubleshooting Common AC Issues in Your 2024 Land Rover Defender 90 and How to Restore Comfort

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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 2024 Land Rover Defender 90 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 steps should I take to diagnose the AC issue in my 2024 Land Rover Defender 90?

To effectively diagnose the AC issue in your 2024 Land Rover Defender 90, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by inspecting the air filters, as clogged filters can significantly hinder airflow and cooling efficiency. Next, assess the refrigerant levels; low levels can lead to inadequate 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 severely impact performance. It's also crucial to check for any visible leaks in the system, as these can result in refrigerant loss and diminished cooling capabilities. Additionally, verify the functionality of the thermostat, since a faulty thermostat can cause inconsistent cooling. Don’t overlook the electrical components; inspect fuses and relays to ensure they are operational. If these initial checks do not resolve the issue, it may be time to consult a professional mechanic or AC technician for a more thorough diagnosis and repair. By following this structured approach, you can efficiently identify and address the AC problems in your vehicle.

What are the common problems that could cause the AC system to stop working in a 2024 Land Rover Defender 90?

When the AC system in your 2024 Land Rover Defender 90 fails to cool, 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 compressor is faulty, it may not produce cold air, leading to a complete breakdown of the AC system. Additionally, electrical issues such as blown fuses or damaged wiring can disrupt the system's operation. Clogged or leaking refrigerant lines can also prevent the necessary flow of refrigerant, while damaged components like the condenser or evaporator can hinder the heat exchange process essential for cooling. Lastly, if the cooling fans are not functioning properly, airflow through the condenser may be inadequate, further compromising the system's efficiency. By being aware of these common problems, you can take proactive steps to maintain your vehicle's AC system and address any issues that arise.

How urgent is it to address the non-functioning AC in my 2024 Land Rover Defender 90?

Addressing a non-functioning air conditioning system in your 2024 Land Rover Defender 90 should be treated with a sense of urgency, even if it may not seem like an immediate emergency. Driving without a functioning AC can lead to significant discomfort, especially in hot weather, which can distract you from the road and impair your focus. Moreover, prolonged exposure to high temperatures can pose health risks, particularly during long drives or in extreme conditions. Additionally, a malfunctioning AC might indicate underlying issues within the vehicle's cooling system, which, if left unchecked, could escalate into more severe problems and costly repairs. By prioritizing the repair of your AC system, you not only enhance your driving experience but also safeguard your vehicle's overall health and longevity. Taking action sooner rather than later can prevent minor issues from developing into major repairs, ultimately saving you time and money in the long run.

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2024 Land Rover Defender 90 AC Not Working: Causes & Repairs