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Thanks
dealer claims they changed the turbo oil return tubes when they performed the ccp valve stem seals <10k miles ago. I trusted them; so, (maybe i made a mistake) i did not check them....
i see the crank ventilation valves are trivial flap type check valve towards the air inlet to the turbo. I could not see the pcv mechanism towards intake manifold, but i doubt it is fancy stuff.
I just got the vacuum/boost gauge, and i will check the crank pressure. i see from other's shared experience that the crank pressure varies a lot during different engine running conditions. i'll see where my engine stands; however if the crank pressure would be an issue, then driver side diverter valve should have oil, not only the passenger side.
though i think i may end up with two catch cans on both sides, and see if they collect same amount of oil..
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