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What are common AC problems in Subaru Forester?

Subaru Foresters are known for their reliability, but like any vehicle, they can experience issues with their air conditioning (AC) system. In this article, we'll explore the most common AC problems that Subaru Forester owners may encounter and provide guidance on how to address them.


Refrigerant Leaks


One of the most common AC problems in Subaru Foresters is refrigerant leaks. The AC system relies on a specific amount of refrigerant to function properly, and any leaks can cause the system to lose its cooling capacity. Refrigerant leaks can be caused by worn seals, cracked hoses, or a malfunctioning compressor. To address this issue, the AC system will need to be inspected by a qualified technician, who can identify the source of the leak and recharge the system with the appropriate amount of refrigerant.


Compressor Failure


The AC compressor is a critical component of the cooling system, and if it fails, the entire AC system will stop working. Compressor failure can be caused by a variety of factors, including low refrigerant levels, electrical issues, or wear and tear over time. If the compressor fails, it will need to be replaced, which can be a costly repair. Regular maintenance and inspections can help prevent compressor failure and extend the life of the AC system.p>

Electrical Issues


The AC system in a Subaru Forester is controlled by a complex electrical system, and any issues with the wiring, sensors, or control modules can cause the AC to malfunction. Symptoms of electrical issues may include the AC not turning on, the compressor not engaging, or the system cycling on and off unexpectedly. Diagnosing and repairing electrical problems in the AC system often requires the expertise of a qualified technician with the appropriate diagnostic tools.p>

Condenser Problems


The condenser is responsible for dissipating the heat from the refrigerant, and if it becomes clogged or damaged, it can cause the AC system to lose its cooling capacity. Condenser problems can be caused by debris buildup, physical damage, or issues with the cooling fan. To address this issue, the condenser may need to be cleaned or replaced, depending on the severity of the problem.


Thermostat Malfunctions


The thermostat in the AC system is responsible for regulating the temperature of the refrigerant, and if it malfunctions, it can cause the system to over- or under-cool the cabin. Symptoms of a faulty thermostat may include the AC blowing warm air, the system cycling on and off frequently, or the temperature in the cabin not matching the set temperature. Replacing the thermostat is a relatively straightforward repair that can restore proper AC function.


In conclusion, while Subaru Foresters are generally reliable vehicles, they can still experience common AC problems like refrigerant leaks, compressor failure, electrical issues, condenser problems, and thermostat malfunctions. By being aware of these potential issues and addressing them promptly, Forester owners can help ensure their vehicle's AC system continues to provide reliable cooling performance.

Why is my AC running but not cooling?


There are a number of reasons why your air conditioner might be running but not cooling. It could be an issue with the thermostat, the compressor, or the evaporator coils. Or, it could simply be clogged with dust and debris, which is preventing it from working properly.



What is the class action lawsuit for the Subaru Forester?


Subaru Starlink Defects
2019-2023 Outback, Forester, Legacy, and WRX models are impacted by this class action, which alleges that the Starlink touchscreen infotainment system does not work properly. Consumers have described phantom inputs, a lack of responsiveness, freezing, rebooting, and more.



What is the most common problem with the Subaru Forester?


A list of some of the most common issues Forester owners have to deal with.

  • CAN System Parasitic Drain on the Battery.
  • Unintended Acceleration.
  • Brake Light Switch Defect.
  • Cracked Windshields.
  • Lineartronic CVT Reliability.
  • Rodents Chew Subaru's Soy Wires.
  • Subaru EyeSight Problems.
  • Subaru Vehicles with Recalled Takata Airbags.



How do I know if my Subaru AC compressor is bad?


Common Signs of a Failing Subaru AC Air Compressor

  1. High Cabin Temperatures. One of the very first signs of a failing compressor is the failure of the air conditioner to blow cold air as it used to do.
  2. Loud Noise.
  3. Compressor Clutch Not Moving.



Why is my Forester AC not blowing cold air?


The most common reasons a Subaru Forester ac isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor.



How do I know if my car AC compressor or condenser is bad?


Here are some signs that your AC compressor is about to fail – or has failed already.

  1. AC not as cold as it should be.
  2. Noises coming from the engine compartment.
  3. Damage evident on the AC compressor.
  4. Compressor clutch will not engage.
  5. Connected Concerns.



What is the most common problems in air conditioner?


Common Issues with Central Air Conditioners

  • Disrupted Airflow: Cause: Closed-off rooms disrupt airflow through the home.
  • Installation and Maintenance Problems: Faulty Installation: Can result in leaky ducts and low airflow.
  • Checking Your System: Initial Check: If the system fails, check fuses or circuit breakers.



How much does it cost to fix AC on a Subaru Forester?


The average cost for a Subaru Forester AC Recharge is between $184 and $217. Labor costs are estimated between $123 and $155 while parts are typically priced around $61. This range does not include taxes and fees, and does not factor in your unique location. Related repairs may also be needed.



How to diagnose AC problems in a car?


How to diagnose

  1. Start the engine and turn the A/C on maximum. Make sure the fan is on its highest setting and the temperature is at its coldest setting.
  2. Look to see if the A/C compressor is running. Pop the hood and locate the compressor.
  3. Check the pressure with the A/C Pro® gauge.



How long does a Subaru AC compressor last?


In many situations, the AC compressor lasts the life of the Subaru without requiring replacement, although failure is more likely around the 150,000km mark. The compressor is a cornerstone component of your air conditioning, and if it's broken, your Subaru AC won't function.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.