AC question - adding PAG oil

renjaminfrankln

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When I bought the truck, the AC clutch was out and the system had slowly leaked down to zero psi.

I replaced the compressor, a line, vacuumed it down, charged it up. Worked great for around a year. I believe the compressor had oil in it already.

Now I am having to replace the condenser due to a leak, as well as the drier (easy to get to so i'm doing it).

I have no idea if I should add additional oil before vacuuming it down and firing it back up. My guess is that a fair amount of oil was lost when removing the condenser, but I don't know how much.

???
 
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