Reply to "AC Service Ports"

duz185The 3331 album

So the good news!

1. I was able to open the compressor valves as instructed. I had the charging hoses disconnected and the system was empty.

2. I tested the AC switch; the compressor solenoid sounded and the condenser fan ran nicely.

2. The system held vacuum for a long time. Both needles never budged.

I added 1 small can of R12 and 2 oz of ester oil. Both pressures were around 55 psi.

The bad news:

I started the car and added about 1/2 can of R12 and the high side pressures keep wanting to go above 300 psi. (See video) The evaporator temp never dropped from 80 and the condenser coil never got hot. I guess there’s a blockage?? Expansion valve or dryer??

Please help!!

William

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8/25/212:37 PM

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