Report: Intake Manifold Gaskets Can Develop Engine Oil Leaks
Oldsmobile 88 Problem
Average Mileage: 95,500 mi (72,000 mi - 140,000 mi)
Visitor, 1990 Oldsmobile 88, 75,000 mi
Same thing happened to me. The mechanic said something about it a while ago, but said it wasn't a big problem. More recently he said I needed to get it fixed. He replaced the gasket and now I am good to go. Cost me about $325 bucks.
Visitor, 1995 Oldsmobile 88, 72,000 mi
Engine shut down and wouldn't start,antifreeze overflow emptied. Cylinders flooded with coolant. Do not try to start have car towed. Replaced plastic intake manifold (hole burned through) and gasket,oil and oil. filter. ,fuel filter, plugs. $800.
Same problem. Dont know what to do yet.