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1999 Cadillac Catera Question: Which valve do I add freon to upper or lower?



Visitor, 3.0L V6, North Palm Beach, FL, March 27, 2011, 13:10

Need to add freon . There are two ports, one on top nearer passenger Compartment and one lower nearer to radiator. Which do I use.

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  • Answer #1

    March 27, 2011, 13:13

    I would not add any refrigerant if you are not familiar with a/c systems, take to a shop with the correct special equipment to do the job correctly, you can't just FIX a/c by JUST adding refrigerant.

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    Visitor, July 23, 2011, 20:07

    Well, freon can certainly be added if the system is low and fix the cooling problem if that's what the problem is.

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