Thanks MM. The system had no pressure in it. So I converted it to the alternative refrigerant. At first the system would not hold any pressure but while I was pumping high pressure into the system something sealed in the compressor. I then tried to pump a vacume but whatever had sealed broke lose again. So I opened the high side and put a gas of refrigerant into the low side to purge the system of air. Then I added more refrigerant and oil and the system sealed again.

Now I have cold air.

Any idea what sealed?

__________________
Earl



1993 190E 2.3
2000 Toyota 4x4 Tundra