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I am trying to charge up my a/c on a 95 olds ciera but the a/c compressor will not kick in as the system is completely empty. How can i engage the compressor?

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  • Larry Scott
    Larry Scott Apr 12, 2009

    I left a open can of refrigerant hooked up to the system (a/c off) and went in the house to eat and when i came back i started up the car and turned the A/C on and it was working. Evidently. i should have waited for a while to let the refrigerant enter the system.

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With a vacuum pump, pull a deep vacuum on the system then charge the refrigerant in. It will go in by itself with the system under a vacuum.
You can also remove the wire connector going to the pressure switch on the accumulator and jump it out with a small wire. While the car is running and the switch set for cool the compressor will come on.

Posted on Apr 12, 2009

  • steve
    steve Apr 12, 2009

    Glad it worked for you.

    Now you can find and repair the leak.

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