BuenoOffenhauser Posted December 27, 2009 Report Share Posted December 27, 2009 I recall a post a while back indicating that to ameliorate, if not eliminate, the the head gasket problem in the NS, Cadillac had modified the NS. Is my recollection correct and, if so, what year did this mod take effect? Link to comment Share on other sites More sharing options...
Bruce Nunnally Posted December 27, 2009 Report Share Posted December 27, 2009 Check The Northstar Is she doomed? and do 2002 and 2003 models have head gasket issues? The Northstar was updated in 2000 and 2004 in ways that effected the head gasket. Bruce 2023 Cadillac CT4-V Blackwing Follow me on: Twitter Instagram Youtube Link to comment Share on other sites More sharing options...
Ranger Posted January 1, 2010 Report Share Posted January 1, 2010 2000 got lengthened head bolts. 2004 got a coarser thread pitch. Link to comment Share on other sites More sharing options...
BuenoOffenhauser Posted January 3, 2010 Author Report Share Posted January 3, 2010 Thank you. Those responses answer my question. Link to comment Share on other sites More sharing options...
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