Don't Let Oil Sabotage the A/C System

When an A/C compressor fails, the oil can tell you a lot about what happened.
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[@LTDan-pk3mx]

Josh Thanks so much! Quick question.. I installed a new comp on a G8 pont comp tag said 3 oz of pag 46 installed.. I also brazed a small rub crack/hole in the HP side.. the 4 seasons site states 4 oz total in this system.. What are your thoughts? Thanks again and i did subscribe!

[@humbledhands]

Great info, hard to find oil compressor facts. Im changing shaft seal on a 2002 ford superduty 6.8l fs-10 compressor that s total capacity for oil is 9oz. If im not replacing and just servicing shaft seal. Is it recommended to change oil. Also if I drain oil and its low how much oil remains in system so the remainder can be added. All I can find is info on a new compressor. Thank you

[@alexnogueira9289]

Denso installation manual says to drain all the oil from compressor head before mounting... Quite confusing... The page before says to compare with old unit and keep the same amount of oil inside the new one... And then what? Empty only the head and leave in the drain plug?