HVAC refurb - PAG oil for each component

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jrobie79

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Edit: I found a chart with each component amounts. Photo attached for anyone that searches for similar replacement.

I'm in the middle of refreshing my AC (front and rear AC) - New seals all around, accumulator, orifice tube, expansion valve, etc... and found the capacities to be 40 oz r-134a and 11 oz of PAG oil... My question is how much oil should I add to each component.

I have done similar on my 33 year old BMW (with r12 though) and added the oil to the individual parts to equal the total system capacity - 2 oz condenser, 2 oz to evaporator, and the rest right into the compressor per BMW service manual. Is there a similar procedure from GM for these vehicles?

Screenshot_20240724_172010.jpg
 
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