[Mk2] [Turbo] Oily smoke from engine bay

[b4ss]

Hi,
So there i am overtaking, when i look in rear view mirror to see plumes of smoke billowing from my passenger side engine vent!!!

It turns out all the smoke appears to be coming form Charcoal canister, mine seems be vented to atmosphere with a small K/N type filter.
This had alot of oil on it..

Questions is: Why is this air all of a sudden so full of oil?

Any ideas?
Tony

[hmltnangel]

Are you sure its not the catch tank?

Small black tank fitted to the cam cover? Sometimes people fit a bigger one in place of the charcoal cannister.

Its job essentially is to catch oil in the crankcase ventilation system, stopping it going back to the air intake system. if youre getting it full of oil then you need to find out where its coming from.

[Peter Gidden]

It turns out all the smoke appears to be coming form Charcoal canister,

Impossible.

hmltnangel has the right idea. Does it smoke on throttle or on the overrun?

[b4ss]

It turns out all the smoke appears to be coming form Charcoal canister,

Impossible.

hmltnangel has the right idea. Does it smoke on throttle or on the overrun?

yea its smokes on throttle and under load only, and most when turbo is spooling.

[b4ss]

Are you sure its not the catch tank?

Small black tank fitted to the cam cover? Sometimes people fit a bigger one in place of the charcoal cannister.

Its job essentially is to catch oil in the crankcase ventilation system, stopping it going back to the air intake system. if youre getting it full of oil then you need to find out where its coming from.

Apologies yes it is the oil catch can, and mine looks like this:
http://i452.photobucket.com/albums/qq24 ... eather.jpg
The little filter is full of oil and that is where it appears to be coming from.

So am i right in thinking that the catch can is now full of oil, which it shouldn't be.

Any likely reasons for that?
Thanks,
T

[Peter Gidden]

Turbos rarely smoke under boost, so sounds like a piston ring or ring land issue.

Time for a compression test.

[rev3turbo]

The catch can shouldnt be full of oil as at the bottom of the tank it has a drain that goes back to the engine

I would first check that there are no blockages as the oil should drain itself

but other than that, ringlands

[b4ss]

The catch can shouldnt be full of oil as at the bottom of the tank it has a drain that goes back to the engine

I would first check that there are no blockages as the oil should drain itself

but other than that, ringlands

Thanks for the helps guys, looks like ur right as it has a slighly lumpy idle too.

Its a stock 99 Turbo, with 200k kms - what sort of cash am i looking at?

T

[jimGTS]

First remove filter and try and blow through it?
It'll probably be hard to blow through, in turn blocking pcv gases.

I would replace the filter with new and see how you do.