Always use the Low Pressure valve. Unless you have tools specifically designed for the high pressure side, never connect anything to it. I don't remember for sure, but I think the low pressure valve is a thicker pipe, over by the power steering reservoir and the passenger side suspension column. The valve cap for the low side will be marked with a large L printed on top of it.
To bleed it, attach the refiller hose to the car without the can present (make sure valve is closed all the way first). Then slowly open the valve. Be careful, this stuff gets cold when depressurized, and if it has any of the dye in it to find leaks, that stuff will be shooting out everywhere.
Last edited by thesteve; 03-17-2005 at 06:35 PM.