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PAG oil question Compressor, drier, condenser

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Old Jul 22, 2022
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PAG oil question Compressor, drier, condenser

Hey ya'll!
I'm currently working on replacing the AC compressor, condenser, and accumulator/dryer in my 2004. I'm having the AC system evacuated at a local shop and I'll be installing all the new components then having a shop refill the system after.
Has anyone else done this repair? I wanted some advice on how much PAG oil I need to add back to the system and how/where to do so. I bought a Denso prefilled compressor but I'm assuming the drier and condenser will need added oil.
This is my first time doing any AC work so any advice would be super helpful and appreciated, thanks!
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Old Jul 22, 2022
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Re: PAG oil question Compressor, drier, condenser

Compressor will come with instructions if any more oil is needed for it. For everything else, below is from the service manual. You can get pressurized cans of oil you would fill like refrigerant. It's usually easier to get a bottle of oil and just dump in the amount you need. If replacing the drier you just pour 10mL into it before installation.

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Old Jul 22, 2022
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Re: PAG oil question Compressor, drier, condenser

Perfect, I wasn't sure you could just pour the PAG oil directly into the dryer or condenser.

So as I understand it right now, I'll add 10mL to the dryer, 25ml to the condenser, and empty out 130ml subtracted by the amount that comes out of the original compressor from the new prefilled compressor (3oz), not exceeding 50ml.

Thanks again for clarifying!
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Old Jul 22, 2022
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Re: PAG oil question Compressor, drier, condenser

The compressor may be different. As mentioned, I would expect it to come with it's own directions that may differ from the service manual. If not, best bet is to follow the manual.
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