What Causes the Subaru Forester's Air Conditioning Not to Cool?

1 Answers
DeOlivia
07/29/25 2:14pm
Subaru Forester's air conditioning not cooling is caused by a blocked expansion valve in the AC system, which prevents the refrigerant from circulating properly, thus failing to produce cooling. Here are some tips for using car air conditioning: 1. Ventilate before turning it on: After the car has been exposed to prolonged sunlight, open all four doors and the sunroof to allow air circulation for 3 minutes. This quickly lowers the interior temperature, making the AC cooling more effective. 2. Use the recirculation mode wisely: Recirculation blocks outside hot air, creating a sealed space inside the car where air rapidly circulates under the AC's effect for quick cooling. Once the interior temperature drops, it's recommended to switch to fresh air mode every 30 minutes to purify the cabin air, then switch back to recirculation after 5 minutes. 3. Turn off the AC in time: Shut off the air conditioning 5 minutes before parking to protect the engine and save fuel.
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