Engine Size: 455
Refrigerant Type: R134A
I am changing from R12 to R134A on my 1970 442. I have flushed the evaporator, hoses and condenser. I have replaced the drier and had the poa adjusted for R134A. I have flushed out the A6 compressor with ester oil. How much ester oil does the system take and where should it go? Should I do anything else before I have it charged? Thanks, Bob
A personal preference for this application would be a DEC PAG 150. This lubricant is more suitable to the viscosity requirement of the GM compressor.
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I will get some Dec Pag 150. I need to know how much to put in and where to put it all. Thanks
Your A6 has a sump. It holds 10 or 11 oz per my memory.
I'd fill it then ad 4 or so to the lines.
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