where do I add freon. I'm looking for the low side pressure port.
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1999 Ford F-250 Super Duty Question: add freon
Answer #1Bret Bodas from RepairPal Test Shop, June 17, 2010, 16:56Master
I don't suggest doing this unless you're 100% sure the system is low on refrigerant and that you're not going to overcharge the system, otherwise you risk damaging the compressor and possibly more.
I recommend paying a shop to do this so it's done correctly.
Here are some near you