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.Google+
Car Problem Reports
Chevrolet S10 Blazer Intake Manifold Gaskets May Leak Coolant or Engine Oil
Chevrolet S10 Blazer Problem
Average Mileage: 168,000 mi (150,000 mi - 194,000 mi)
just noticed green running a little bit in front of intake.
Visitor, 1994 Chevrolet S10 Blazer, 194,000 mi
replaced intake gaskets. very labor intensive