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 Monte Carlo Intake Manifold Gaskets May Leak Coolant or Engine Oil
Chevrolet Monte Carlo Problem
Engines Affected: 3.1L V6, 3.4L V6, 3.8L V6, 3.8L V6 Supercharged
Average Mileage: 129,469 mi (48,000 mi - 213,000 mi)
02 monte carlo ss the upper intake is leakeing water into the oil about the third time in three years .
Visitor, 1999 Chevrolet Monte Carlo, 3.1L V6, 96,000 mi
I had this happen at 84,000 miles and again at 96,000. Both times the head gasket had to be replaced. I traded it in and the dealer said the same thing as the garage. Just too much nickle and diming to have it replaced again. I know things wear out, but ouch. Both times were in the winter, when you want heat pumping through the vents, not an overheated, leaking car.
Visitor, 1996 Chevrolet Monte Carlo, 3.1L V6, 120,000 mi
Intake gasket was changed 2 times on this vehicle between 120,000-130,000 miles.
Visitor, 2002 Chevrolet Monte Carlo, 3.8L V6, 80,000 mi
anti freeze leak replaced plenim gasket
Visitor, 1997 Chevrolet Monte Carlo, 3.4L V6, 177,610 mi
bad oil leak
Visitor, 2003 Chevrolet Monte Carlo, 3.4L V6, 182,000 mi
coolant leak, bad intake gaskets
Visitor, 2003 Chevrolet Monte Carlo, 3.8L V6, 153,000 mi
i keep loosing coolent can see it leaking around the head teck from big o tires said it was coolent leaking into my head gasket dont have money to fix
Visitor, 1999 Chevrolet Monte Carlo, 3.8L V6, 125,000 mi
Had manifold gasket replaced at Dealership as well as computer part. Said coolant was leaking into oil. $1,200.00 + bill on those two issues.
Visitor, 2001 Chevrolet Monte Carlo, 3.8L V6, 75,000 mi
Intake manifold water leak
Visitor, 2003 Chevrolet Monte Carlo, 3.8L V6, 115,000 mi
Coolant leak from plenum at 65k, failed lower intake manifold gasket at 99k, failed again at 115k leaking into engine oil and ruining engine. Towed to residence yesterday. I'm going to have to part out a repainted, beautiful SS with a rebuilt transmission and lots of new parts, because I can't afford a rebuild. I hate GM.