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The engine's oil circulation pump pressurizes the system, and forces oil out whereever it can escape. Unfortunately, that's quite likely to be the sign of a leaking crankcase main seal, which is a major job to replace.

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Q: What if the oil only leaks when the car is on?
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Do car oil stop leaks really work?

Only on very minor leaks, it makes the oil thicker and less able to seep through a gap.


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97 ford diesel e-350 is leaking motor oil not from oil pan area?

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