I have a 1996 Cadillac and have had problems with the motor and was wondering if anyone could tell me if they have made improvements to the Northstar motor on the newer Cadillac models, as I am thinking of getting a newer car and would like to stay with Cadillac but if the Northstar motor has not be…

Cadillac Northstar Engines

oldschool December 4, 2010, 1:47am 6

I noticed an extreme oil leakage problem with Northstar engines of the year you mention. Sealing them up was in the 12hr range.