:D The small 4 oz can of dye + R134a is mostly refrigerant. Seems like the OL BLACK DEATH GETS a lot of the parts house compressors. The system probably wasn't rebuilt correctly. The accumulator looks original. ORT in backwards! OEM condensor, etc. All new parts & a good drawdown oughta fix it. ...

Sorry about the confusion, Spell check is a curse sometimes. I added 4 oz of dye. On the Caddy NorthStar 4.6L, it is impossible to see, even with an endoscope & mirrors, the back of the AC Compressor. The oil filter and it's housing has to be removed from the engine block. This compressor (HD6) ...

:?: I took the Orifice tube out of the '99 Caddy Deville. Looks like the BLACK DEATH! Black soot completely stopped up OT, somewhat oily, not dry. OT appears to be white, but after washing has more of a yellow tint. My thoughts the aftermarket AC compressor is toast! Opinions please? I have a new Fo...

99 Caddilac Deville Base, 67K miles, with 18 oz R134a (Calls for 32 oz) blowing pop off valve on compressor when 18 oz gets in system. Temp 95, low side 35, hi side 100, engine 900 RPM. Pulled Orifice tube, appears to be in backwards. The long part was toward evaporator, and it was covered with BLAC...

Working on my "new to me" '99 Caddy Deville Base, 67000 miles. The compressor, looks to be a parts house replacement, orange sticker, number 9366. Everything has been working / was working fine, then "Low Refrigerant" A/C off came up on dash. I put 4 oz dhot 110 degree cabin,ie i...