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Old 09-12-2019   #16
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Question Re: Cooked engine

Small update - crazy, crazy, crazy! :-) So engine is living it's own life :-) I checked situation with pressure/vacuum, and I can confirm my previous post:
- when engine is cold, I feel on hand that air is coming through filterbox out from main breather pipe. And oil cap is little bit sucking to it's position - when I unscrew it, I feel that valve cover is sucking it back a little bit - CAN ANYONE GUYS CONFIRM THIS PLEASE ON YOUR CAR ???
- when engine is hot, everything is OK, I feel that air is sucking in through main breather hose and theres small pressure under oil cap = OK
But definately after cleaning valve cover , the pressure in cylinder head is not so big than before, I can tell it's 75% weaker than before, also now oil isn't splashing out through oil cap hole than before.

And 2nd thing - regaridng engine noise - few days it was strong noise, mainly during acceleration, but last 2-3 days it's quieter. I remember that noise was similar than engine noise with unplugged VVT valve. So after that cleaning process there was some small issue in VVT system like sludge moved from one place to another, or some air was inside VVT puley...I don't know.
Plus of course I still hear exhaust manifold leak (I can also feel it by hand - confirmed the same leak than before from 2nd cylinder), but overal engine noise is much quieter than few days ago :-) So something "moved/cleaned" inside VVT system I think.

-> So that was small update, WF new oil ordering & flush (I already have 2 new oil filters Valeo), looks that's really related to oil sludge/cleaning whole engine
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Last edited by Rado77; 09-12-2019 at 11:11.
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Old 16-12-2019   #17
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Re: Cooked engine

Small update - oil flush done. I cannot decide if ticking is gone because now here is max 5 degrees of celsius, but everytime when I checked engine after longer trip, there was no ticking.
So 2 minor issues remains - exhaust manifold leak (only small), will be repaired during spring
- found dusty oil drops on oil pan - looks that's only from drain plug - I have that type without gasket and I felt when I tightened it back that it's thread is damaged a little bit. I cleaned bootom of pan with rag and will check. After putting new oil there and trip home, there was no leak through drain plug. Will check later...no drops over nigh on asphalt, so OK for now. Here I can just buy new plug, or maybe replace whole oil pan (which was also rusty) when I dismantle exhaust manifold during spring (March - April)
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Old 4 Weeks Ago   #18
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Re: Cooked engine

Update - engine flush done. Nothing changed at all. Yes, outgoing oil was black so Liqui Molly worked, but looks that it was only "cosmetic cleaning". Whole exhaust is getting worse, ex man leak is hearable during acceleration and constant speed, during deceleration I hear rear muffler's bass sound, there is some hole again (previously fixed temporarily with Bosal paste). I have to wait few months for better weather to fix it completely
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Last edited by Rado77; 4 Weeks Ago at 23:19.
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