1999sts Posted July 23, 2010 Report Share Posted July 23, 2010 Please help...does anyone have a photo of the location of the low pressure fitting. 1999 sts 300hp northstar. Thank you Link to comment Share on other sites More sharing options...
JimD Posted July 23, 2010 Report Share Posted July 23, 2010 Looking in at the A/C plumbing over the RF fender, you will see two A/C fittings approximately 6" apart. The Low side fitting is the "smaller" diameter fitting on the left. Jim Drive your car. Use your cell phone. CHOOSE ONE ! Link to comment Share on other sites More sharing options...
Ranger Posted July 24, 2010 Report Share Posted July 24, 2010 I believe it is #11 in the diagram. http://www.gmpartsgiant.com/online/Page_Product/PartDetail.aspx?modelYear=1999&model=Seville&make=Cadillac&catalogCode=66O&modelCode=6KY69&seriesCode=6KY&bodyStyleCode=69&engineCode=L37&transCode=MH1&majorIndexID=09&minorIndexID=6K0903201&isBigPicture=True Link to comment Share on other sites More sharing options...
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