This engine on cadillacs has reputation for leaking oil from bottom. Have remove engine to repair problem. It appears to be design problem. Cadillac will do nothing. I have written, called and etc. Nothing they will do. Is there anyone that will join in class action against GM?
Start a class action with GM.Oil leakage? Northstars leak from bottom from 40K. on 2005 Cadillac DeVille
by josefarr in Washington, UT on May 16, 2013