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  1. M

    Cannot get freon to add

    Found the problem. The comments caused me to look more closely at the area around the gauges. There, imprinted in the plastic, was a comment that the low side gauge would turn to open for filling or close for just checking pressure. The high side only measures pressure and does not open to...
  2. M

    Cannot get freon to add

    First, thank you very much for the reply. There was very little information with the gauges that I purchases, but I did not think that opening the high side valve would do anything other than allow the pressure to be measured. Does it actually allow the pressure go to the can? If so, I am...
  3. M

    Cannot get freon to add

    I have the high side and low side hoses connected and the freon can connected and punctured. The AC is on max and the fan on high in my '96 ranger 3.0. When all 3 valves are opened, the ac continues to cycle on and off every few seconds. The low side pressure will go up to 70 - 80 psi and...
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