water in crankcase on 1999 3.8 camaro

Asked by matthewj Jun 20, 2013 at 01:24 AM about the 1999 Chevrolet Camaro Coupe RWD

Question type: Maintenance & Repair

water in crankcase

4 Answers

It could be rainwater pooling on the engine and getting sucked in by vacuum at a bad PCV gasket under the cap on top of the intake manifold. The recess in the manifold for the PCV is directly under the lip of the cowl and allows water to pool there, then get sucked in by vacuum when the engine is running. Cleaned the cap, removed old gasket and replaced with high temp RTV sealant. No more water in engine after a very heavy rainy season.

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