I found tan color sludge in my oil, isn't that due to a water leak?

Asked by Michael Feb 26, 2014 at 08:14 PM about the 2001 Buick Century Custom Sedan FWD

Question type: Maintenance & Repair

Tan Sludge in oil, I found after I removed my oil cap.

102,615

Reelin68 answered 10 years ago

If you are just looking under your oil cap on the top of the engine, that is a common thing. It's when you drain your oil into an oil pan and it looks like a vanilla smoothie. That's when you worry. That's just a little moisture from starting and stopping.

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Mike answered 10 years ago

That is residual moisture build up in the engine. This will sometimes happen when the PCV system is not working properly in the engine. Locate the PCV valve and replace it and clean out the coffee milk shake residue on the cap. It will take care of your problem. Good Luck

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I found tan color sludge in my oil, isn't that due to a water leak?

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I found tan color sludge in my oil, isn't that due to a water leak?

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