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2000 SE has a very slow A/C leak.

Would someone with actual 1st hand knowledge indicate where the top 3 areas of leak may exist?

I know this isn't what you're asking but UV die and a black light would find the leak.

Depending on how your a/c was serviced in the past it may already have die in it. A/C recharge bottles often have UV die advertised on the bottle but most of those also have leak sealer which can clog up the orifice tube. You want to avoid anything that claims to stop leaks if you can.

^^ X2 ^^
Only leak I had was on compressor body found by UV dye. I believe it was the big O-ring sealing the 2 halves of compressor.

Mine was leaking at the seals between the hose manifold and the firewall...took borrowing works FieldPiece SRL8 Leak detector to find it but been fine after that.