2017 Subaru Crosstrek AC Isn't Working

Common Causes of AC Issues in Your 2017 Subaru Crosstrek and How to Resolve Them

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Reviewed by
Devin Cabugcal
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 Subaru Crosstrek 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 Subaru Crosstrek?

When diagnosing an AC issue in your 2017 Subaru Crosstrek, start with the simplest checks to avoid unnecessary complications. Begin by inspecting the air filters, as dirty or clogged filters can significantly restrict airflow, leading to diminished AC performance. Next, assess the refrigerant levels; low levels may suggest a leak, which is critical to address for effective cooling. Following this, examine the compressor for any signs of damage or wear, as it plays a vital role in the AC system's operation. Additionally, test the thermostat to ensure it is functioning correctly, as a malfunctioning thermostat can disrupt the entire system. Finally, look for any visible leaks around the AC components, such as oily residue or refrigerant stains, which can provide clues to underlying issues. By systematically following these steps, you can effectively diagnose the AC problem and take the necessary actions to restore comfort in your vehicle.

What are the common problems that could cause the AC system to stop working in a 2017 Subaru Crosstrek?

When the AC system in your 2017 Subaru Crosstrek stops functioning, it can be frustrating, but understanding the common problems can help you troubleshoot effectively. One of the most frequent issues is refrigerant leaks, which can lead to insufficient cooling; checking for visible signs of leakage or low refrigerant levels is a good starting point. Another potential culprit is a faulty compressor, which is essential for circulating refrigerant; if you hear unusual noises or notice that the AC isn't cooling, this may be the issue. Electrical problems, such as blown fuses or damaged wiring, can also disrupt the system's operation, so inspecting these components is crucial. Additionally, a clogged or blocked condenser can prevent proper airflow, so ensure it is clean and unobstructed. A malfunctioning thermostat may fail to regulate temperature effectively, while issues with the blower motor can result in weak airflow from the vents. By identifying these common problems, you can take the necessary steps to diagnose and potentially fix the AC system in your Subaru Crosstrek, restoring comfort to your driving experience.

How urgent is it to address the non-functioning AC in a 2017 Subaru Crosstrek?

When faced with a non-functioning AC in your 2017 Subaru Crosstrek, addressing the problem promptly is crucial for both comfort and safety. Driving without a working air conditioning system in hot weather can lead to significant discomfort and even health risks, particularly during extreme heat. Moreover, a malfunctioning AC may signal deeper issues within the vehicle's cooling system, which, if ignored, could result in overheating and serious engine damage. Additionally, a faulty AC compressor can have a cascading effect on other vehicle components, potentially leading to more extensive repairs down the line. By prioritizing the repair of your AC system, you not only enhance your driving experience but also help maintain the overall value and performance of your Subaru Crosstrek. Therefore, it is advisable to take action as soon as you notice any AC issues to avoid discomfort, safety hazards, and further damage to your vehicle.

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