Hello,
Yes, it sounds like the engine is not ventilating or the engine is overfilled with oil causing the front seal to go out. Please check the engine oil level and here are diagrams to help you replace the PCV valve below. Try replacing the valve before getting the seal fixed if it is leaking slightly. If it is pouring the seal will need to be redone. If they are not allowing the sealer to fully dry (at least one full day) it will leak as well. Here are diagrams to help you see how to do the job yourself.
Check out the diagrams (below). Please let us know what happens.
Cheers, Ken
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Monday, November 5th, 2018 AT 3:12 PM