nvu Posted August 23, 2019 Share Posted August 23, 2019 How much oil is in a new compressor for 02-07 era imprezas? The car is an 03 impreza. The system hasn't been working so I couldn't cycle the compressor. Almost everything except the hard lines have been replaced: -condenser/drier -evaporator -TXV -soft hoses -compressor Dumping out the old oil in the compressor, there's barely any and it's thick black. I've gotten a used compressor. Dumping the oil out of that one there's a lot more of it, but clear. Looking at the service manual doesn't show how much oil to add to the compressor. Quote Link to comment Share on other sites More sharing options...
idosubaru Posted August 23, 2019 Share Posted August 23, 2019 You can swap used compressors, not add any oil and it’ll be perfectly fine. Existing fluid in the compressor and system will constantly redistribute evenly and as needed without issue. That’s just an illustration of how forgiving they are - obviously you’re going to add some and that’s smart. So, it doesn’t much matter. Whatever you choose within reason will be fine. First wild stab id guess in the 10 mL range for a used compressor that hasn’t been sprayed/cleaned out - it’ll have residual oil all over the insides. Quote Link to comment Share on other sites More sharing options...
nvu Posted August 23, 2019 Author Share Posted August 23, 2019 Makes sense, looking around seems like 1-1.4oz is the norm for compact car compressors. The oil that came out was quite yellow, but transparent. The hoses and cores are new so there's no oil in them. Might as well drain out what's left in the compressor and readd with new oil too. Thanks Quote Link to comment Share on other sites More sharing options...
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