Buick Roadmaster Problem Report
Buick Roadmaster Intake Manifold Gasket May Leak Coolant or Engine Oil
The intake manifold gasket may develop and external engine oil or coolant leak. In some cases, an internal coolant leak may occur causing coolant to mix with the engine oil. Our technicians tell us that operating the engine with a coolant/oil mix can result in internal engine damage. Replacing the intake manifold gasket should correct these leaks.
At least one evident leak, front of engine, driver's side. No oil mixing with coolant yet. - Visitor
Pressured coolant leak from intake manifold gasket!
Expensive, even at Pep Boys! - Visitor
One morning out of blue smelled coolant car making loud hizzing noise - Visitor
Shop siad it had a small leak so I just replaced the gaskets. - Mikecs18
at, speed runs well, just during idle, oilpressure drops, engine idles rough and stalls.
oil pressure is not stable
The oil filter came off on the interstate'.
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A burning smell may develop due to an oil leak form one or both valve cover gaskets. Resealing...