I have never recharged my ac system before-is the low pressure line the one you fill and is it next to the firewall? I have seen a new product at Autozone that is a synthetic product that claims that it ups the cooling power by 20 percent -comes with gauge and 19lbs of coolent-air is fair now but probally could use a little juice since it hasn't been touched in two years. Should I go off and spend the money for this new stuff? Think it's called subzero with a polar bear on the can. What pressure should I have with the car hot at idle and the air on?
Many thanks
Poolman
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