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Northstar head gasket issue

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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?

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The Northstar Is she doomed?


do 2002 and 2003 models have head gasket issues?

The Northstar was updated in 2000 and 2004 in ways that effected the head gasket.


2023 Cadillac CT4-V Blackwing

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