Intake Manifold Gasket May Leak Engine Oil on Chevrolet Monte Carlo

The intake manifold gasket may develop external engine oil leak. The manifold gasket will need to be replaced to correct this issue.

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Average mileage: 172,228 (134,457–210,000)
Engines affected: 3.8L V6, 3.8L V6 Supercharged
8 model years affected: 1998, 1999, 2000, 2001, more2002, 2003, 2004, 2005
12 people reported this problem
1 person shared problem details
2002 Chevrolet Monte Carlo- 3.8L V6134,457
Intake manifold gasket needs to be replaced antifreeze and oil are mixing
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