04 05 06 07 Trailblazer 2 Center Caps Black OEM Used 9595110 "freon low compressor turn" Questions

...The bolt that holds the clutch to the compressor has shim washers to set the clearance. If the compressor is not being turned off by low freon pressure and you have power remove one shim

...low on Freon. most auto part stores sell a kit that has a hose with gage and a can of Freon but you might want to get a extra can. it will give you the information on how to hook it up to the line ...