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How do you add freon to an auto ac system?
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Answer

You need gauges to properly add freon to the system.

Freon

Using a kit from the auto parts store R-134a can be added to the low pressure hose, it will have a cap on it with an L stamped in it. Follow the directions on the kit.

Answer

Most auto parts stores sell a prepackaged kit with a bottle and hose. There are two caps on the A/C lines. ONe is marked H and one L for high and low side. They are different sizes and the recharge bottle will only fit on the low side. It's a simple procedure and can be done by the average car owner.

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First answer by Cgrabowsky. Last edit by Cgrabowsky. Contributor trust: 80 [recommend contributor]. Question popularity: 150 [recommend question]

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