Crank seal replacement

More than likely this is due to installation issue or you have excessive crankcase pressure. So we need to check the compression and make sure it is not low.

Here are a couple guides that will help with this:

https://www.2carpros.com/articles/how-to-test-engine-compression

https://www.2carpros.com/articles/symptoms-of-low-compression

Also, we need to check the PCV valve and make sure it is not clogged as that will cause the pressure to build as well in the crankcase.

Please see the info below and let us know if you have questions. Thanks