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No, you didn't break the laws of physics. In fact, you confirmed them. If you "refilled" the refrigerant in the system from cans without pulling a very strong vacuum, you still have regular air in the system, and it will not cool. You are also subjecting the internal components to moisture, and that's bad. AC refrigeration emptying and refilling is not a ...


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If the "gauge gets back to zero" at any time, on either the low or high side, you have a leak. Perhaps a very large one. The gauge should never read zero, unless ALL the refrgerant has leaked out. When you discharged the high side, are you certain the schrader valve core in the port re-seated? Or that debris hasn't ended up under the conical seal, ...



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