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Rb25Det Plenum Weeping Oil

jjman

By jjman,
in Engines & Forced Induction

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jjman Mentor

jjman

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Hi all,

iv noticed that the join point for the upper n lower halves of the plenum on my RB25DET is starting to slightly weep some oil residue.

Just wondering what would cause this?

Iv got the whole blocked PCV valve, catch can etc and have vitually no valve blowby and no oil makes it back from this system to where the pipe ends in front of the turbo intake (i.e. non-atmoventing catch can)

My old stock turbo was leaking some oil from the seals but I wouldnt have thought it would make it all the way along the system, throught FMIC etc to the plenum...

thoughts?

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https://www.sau.com.au/forums/topic/399719-rb25det-plenum-weeping-oil/
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jjman Mentor

jjman

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ah gotcha.

Nah no white smoke, never was.

yeah iv got a fresh turbo on there now so shouldnt be anymore coming through to compound the problem, but will prob put that gasket replacement on the 'R33 list of things to do'.

Just did the cam cover gaskets :s

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