Car Problem Reports

Pontiac Bonneville Intake Manifold Gaskets Can Develop Engine Oil Leaks

 
Pontiac Bonneville Problem
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Model Years Affected: 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005

Engines Affected: 3.8L V6, 3.8L V6 Supercharged

Average Mileage: 104,810 mi (34,000 mi - 223,000 mi)

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The intake manifold gaskets can develop external engine oil or coolant leaks. The intake manifold will need to be removed and the gaskets replaced to correct this issue. In some cases the plastic intake manifold my be damaged requiring replacement.

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