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[danzigfan]

So nothing in there to brake or damage by pushing a piece of wire inside?

[EMD]

Which direction does it flow ? Into box from the top 

[EMD]

Oil Cooler Plate Sealer Part Number is = 93165267 and AFAIK it's the same for breather at the back

Thanks Mr danzig  , will take precaution of getting shafted by stealers   

Im going to blast my box with carb cleaner then do
oil change 

[chrisgixer]

So nothing in there to brake or damage by pushing a piece of wire inside?

Nope. There is an alloy baffle pla.... Hang on.

[chrisgixer]

Here you go. Scroll down.

http://www.omegaowners.com/forum/index.php?topic=90653.0

[05omegav6]

My memory is rustier than I thought I recalled it as being alot tighter in there...

[05omegav6]

Could it be sludged up with mayo

[Sir Tigger KC]

Although strictly speaking the grey goo is the correct stuff to seal the breather box.  Any decent automotive sealant/instant gasket such as Hylomar will do the job just as well and will be a lot cheaper. 

ie Tube of grey goo £11-ish tube of Hylomar £4-ish. 

[danzigfan]

Could it happen that breather box is blocked down at the lower two big holes which go into the crank? The rubber flap inside I mean.  It's going down anyway and to soak in gasoline for a while, don't want to be half done again

[chrisgixer]

Mine, in the pictures, was blocked on the small brass insert hole. It caused no major issues. In order to cause the problems your seeing , assuming correct installation of the cam covers, there would need to be a lot more gas being blocked by the breathers. So it does "sound" like there is no breather function at all. As normally the breather system is enough to keep the crank case at negative pressure.

So, possibles;
Breathers blocked
Engine producing more crank case pressure than the breathers where designed for
Incorrectly fitted seals. In some way.

[danzigfan]

Many thing could be wrong..... I'll keep you posted. Thank for help

[chrisgixer]

Before modifying anything, such as alloy cam covers, insure the basics are correct.

Mainly that ALL the breathers pass air/fumes in both directions via the hoses at the back. At risk of repeating, if they don't flow air, work your way back to the offending blocked holes either in the plastic Eco tech box, which can easily be removed and a paper clip forced through the holes and cleared.  But don't make the holes bigger in any way or the engine will use too much oil.

If you can't clear the alloy breather box with small implements then you'll have no choice but to remove it and investigate further. The oil film and gunk on the inside of that box can dry to an exceptionally hard and brittle film that can cover the small hole on the inside. It just films over and sets. I can't explain about the large bore hole as I never had issues with it but I have seen pics of it fully gunked up with crap.

If alloy covers are fitted and the problem isn't rectified the pressure will simply burst out somewhere else. Next in line is usually the front or rear crank seals. These are awkward, time consuming and expensive to replace. Beyond the scope of most diy mechanics. Although some here have done so.

[danzigfan]

Thanks Chrisgixer again. I have no intention to fit alloy cam covers if there's too much pressure in system...I need to find the cause first I know. In next two days.Thank you again

[05omegav6]

Might also be a soft beather hose which is collapsing under negative pressure conditions

[danzigfan]

So, this is how big tube hole looks

 

And the small one is also clean