TwinTurbo.NET: Nissan 300ZX forum - R12 to R134a conversion
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Subject R12 to R134a conversion
     
Posted by Kvert on July 11, 2020 at 4:05 PM
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Message Did this at the same time as my TT swap. Flushed compressor with dye filled ester oil and refilled. Lines were completely flushed, new condenser, new drier. Filled each with small amount of ester oil. Placed under vacuum till I was ready for charging.

Today i decided to charge system with r134a. Ran evacuation again just for completeness then recharged using 2 12oz cans of refrigerant. Filled without issue. However, it is not blowing cold air and I can see bubbles in sight glass. My low/high side pressures are 40/225psi at 90F ambient.

I’m at a loss of what my issue is. I’m very open to suggestions at this point as I’m considering reevacuating and refilling the system.

     
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