r134a posted by ouikikazz on September 02, 2008 at 07:52 PM
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After the swap I just added a couple of cans until the pressure looked right on the gauge. Turned out too much was added. The air would blow cold for a bit, but then too much pressure would build in the system and it would shut itself down and blow hot. I took it too a garage and when they evacuated the system they found that there was too much freon in it. It was refilled with the proper amount and it's been good ever since.