Porsche 997

[billyarda24]

I have problem on my Porsche Carrera 997 , it make alot of white smoke on the exhaust and then i decide to OH the engine to check what is the problem , so the workshop find that the cylinder number 6 seems clean than the other 5 cylinders and they found a lots of oil in the exhaust, does anyone here have any clue  

 

Thanks 

[Silver_TT]

Assuming you already checked the easy things like crankcase vacuum (AOS), drop the sump and use a borescope the inspect the cylinders from the bottom.  The cylinders may have bore scoring.

[billyarda24]

On 9/26/2022 at 8:18 PM, Silver_TT said:

Assuming you already checked the easy things like crankcase vacuum (AOS), drop the sump and use a borescope the inspect the cylinders from the bottom.  The cylinders may have bore scoring

Okay i have checked that too, from your experience what did you find ?

[Silver_TT]

You checked the cylinders?  If it had bore scoring you would see it on the cylinder walls.  The specifics can vary depending on if you have a 997.1 or 997.2 but generally the scoring is going to start from the bottom so it makes the most sense to go in through the sump rather than the spark plug holes.

 

This video may help:

 

 

[Johnny Liu]

Maybe it's the air oil separator?  Mine just failed and replaced with no more smoke. $800 job in the U.S.