I browsed the forum topics, but couldn’t find a way to search them, so please forgive me if this question is redundant.
I just flushed my A/C system with Hecat Flush, replaced all o-rings (assembled with Nylog), replaced the compressor (used new seals), receiver/drier, expansion valve and the short hose that goes between the condenser & receiver/drier. I added the appropriate amount of oil upon assembly, and took it to the shop to have it charged with R12.
The shop said it held vacuum well and that the compressor was working properly. The pressures for the R12 are according to spec.
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