A/C Refil from Scratch.

Discussion in '1993 - 1997 Ford Ranger' started by What Now?, Jul 22, 2010.

  1. What Now?

    What Now? New Member

    We have an '85 3L Extended cab Ranger. Last year our A/C compressor packed up but I was able to get an identical one from a Mustang. Well, identical physical dimensions. Having replaced it, I lost the complete refrigerant charge, of course.

    My questions are:

    1. What would be the best "over the counter" refrigerant to use? One store sells Red Tek 12a.

    2. After losing my complete charge, would I have to consider adding oil to the system now?

    3. Do I have to create some vacuum before attempting to fill the system?

    4. Lastly, should I do a pressure check to see if it's going to hold gas before buying some and how would I do this.

    Thanks very much for any help or references to previous threads.

    What Now?

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