Question about 2005 Chevrolet Trailblazer Ext
High pressure circuit about 200 lbs but it can vary depending on make of AC machinery ,i have had them as low as 120lbs and they still work ok .biggest problem is not always the compressor but the expansion valve itself ,if its not working right then no pressure and 90 % of the time is the expansion valve and not the compressor
Posted on Nov 13, 2010
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Posted on Jan 02, 2017
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