How much PAG oil to add to Delco AC Compressor? - LS1TECH - Camaro and Firebird Forum Discussion

LT1-LT4 Modifications 1993-97 Gen II Small Block V8

How much PAG oil to add to Delco AC Compressor?

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Old 05-16-2011, 10:16 AM   #1
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Default How much PAG oil to add to Delco AC Compressor?

My compressor is leaking oil. I have a new one to install, but my crappy Haynes manual just says to add the same amount of oil that was in the old one. Well, given that it has been leaking I'm not sure there's the same amount in there as there should be...
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Old 05-16-2011, 12:48 PM   #2
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If compressor assembly is being replaced, drain refrigerant oil from both defective compressor and new replacement compressor. Measure amount removed from defective compressor. If measured amount is less than 30 ml (1 fluid ounce), add 60 ml (2 fluid ounces) to new replacement compressor. If more than 30 ml (1 fluid ounce) is drained from defective compressor add same amount to new compressor. Use PAG refrigerant oil GM P/N 12345923 or equivalent.
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