Thread: What is this part? Air conditioning?
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  #9  
Old 06-30-2004, 03:16 PM
brewtoo brewtoo is offline
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Join Date: Dec 2000
Location: AL
Posts: 1,219
Look inside that little black cap and see if there's an o-ring in there. There should be one to act as a backup for the valve.

BTW, the pressure is LOWER in that hose when the AC is running than when it is off.
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