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Auto A/C Service Help : Recharging auto A/C Last Updated: Feb 5th, 2007 - 11:03:58 Auto A/C Service Help : Recharging auto A/C The Fastest A/C Recharge The only real or noticeable difference when using liquid to charge is that it is typically... Auto A/C Service Help : Recharging auto A/C Retrofitting & HPCO Switches As a requirement of a proper retrofit (and a requirement by law in some jurisdictions), a HIGH PRESSURE CUT OUT SWITCH (HPCO Switch) should be installed when... Auto A/C Service Help : Recharging auto A/C Using Nitrogen in Auto A/C Service Nitrogen is an excellent gas when working around on A/C systems. It is inert and very dry. Nitrogen is relatively inexpensive and... Auto A/C Service Help : Recharging auto A/C Vacuum Leak Testing? Although vacuum leak testing is not the most reliable method, it is certainly worth doing and... Auto A/C Service Help : Recharging auto A/C Vacuum & Auto A/C The A/C system absorbs moisture. Moisture and refrigerant mixtures cause highly corrosive acids to form in the system. These acids will... Auto A/C Service Help : Recharging auto A/C Retrofitting & your A/C Condenser Your car’s A/C condenser is a heat exchanger. It’s primary function is to remove heat. In the evaporator, the refrigerant ‘absorbs’ heat from the air entering the vehicle. Therefore, the condenser must... Auto A/C Service Help : Recharging auto A/C Recharge A/C with Liquid of Gas? You have a choice in how an A/C system can be charged. The choices are that you can... Auto A/C Service Help : Recharging auto A/C After your recharge... Whenever you have recharged an A/C system, you run the risk of having some amount of liquid refrigerant getting into the compressor. That’s why you should... Auto A/C Service Help : Recharging auto A/C Adding Refrigerant When connectiong a set of manifold gauges and you get a pressure reading, you know the A/C system has some refrigerant in it. Adding refrigerant (freon) should really only be done...

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