Engine Oil Leak From Intake Manifold Gasket on Pontiac Trans Sport

The intake manifold gasket can develop external engine oil leaks. The intake manifold will need to be removed and the gaskets replaced to correct this issue.

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Average mileage: (–)
6 model years affected: 1990, 1991, 1992, 1993, more1994, 1995
8 people reported this problem
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