Can a Clogged Cabin Air Filter Cause Weak o r No Cooling?

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Can a Clogged Cabin Air Filter Cause Weak o r No Cooling?

Yes! A clogged cabin air filter can significantly reduce airflow, making it seem like the A/C is not cooling. Symptoms of a dirty filter include:

Weak airflow from vents
Bad odor coming from A/C vents
Uneven cooling in the car
Since Pakistan has dusty roads, it’s best to replace the cabin air filter every 10,000 – 15,000 km for optimal A/C performance.

Sirat Ul Jinan asked on 20 Feb 2025 13:03:06 pm

1 Answer

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Car Mechanic Expert - on 20 Feb 2025 14:25:18 pm

Low refrigerant, also known as A/C gas, is a common cause of A/C issues. Symptoms of low refrigerant in your Toyota Camry include warm air blowing from the A/C vents, which is a direct result of insufficient refrigerant to cool the air. You may also hear a hissing noise from the dashboard o r engine bay, which often indicates a refrigerant leak. Another sign of low refrigerant is the formation of ice buildup on A/C pipes, which occurs when the system is not functioning properly due to low refrigerant. The compressor may also cycle frequently due to the lack of refrigerant. If these symptoms occur, it’s important to fix any leaks before recharging the refrigerant, as leaks can cause the problem to recur.