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Q: AC not working

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The air conditioner in my car is not working.

The most often cause of the AC not working on a car is low refrigerant. The system is a sealed system, meaning that if the system is low it’s because you have a leak. Leaks can come from a simple piece like an O-ring or a complex one like an evaporator core. Other things like a failed compressor, or a bad compressor clutch & coil are common as well. Checking the system pressure and recharging it if it is low will be necessary for a proper diagnosis of your AC system.

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