1994 STS had 164000 when it was wrecked and totaled. No engine gasket problems.
1995 STS 135,000 ... still driving it no gasket problems no time serts, has an engine oil leak
1997 Eldorado My sons car under 90,000 needs head gaskets and time serts-- Will be doing it ourselves.
Fourth Cadillac in the family and the first one to need this type of repair. It had to be my sons first car. He works at Walmart to pay for it and has not been able to drive it for 2 months now.