lots of smoke from engine after replacing air-oil separator?

I just replaced the AOS however, it still bellows a huge amount of smoke and the rough idle. Can you give me some suggestions?

Update, thank you for the great DYI info. After replacing the AOS I started the car while still on the jack. My 16 yr old son said that maybe if it is a flat 6 and on the angle of the jack the oil is in the pistons. Bingo! He has been begging me to teach him how to drive the porsche and I think he just earned his ride.


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This post was auto-generated based upon a question asked on our tech article page here: Pelican Technical Article: Boxster Air / Oil Separator Replacement - 986 / 987

[Wayne 962]

Yes, that will happen perhaps. More likely is that the oil is still saturated inside of the intake and will need a few miles to "blow itself out." It's very common to have significant amounts of smoke upon startup after replacing the air-oil separator on the top of the engine.

- Wayne