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Thread: Water In Oil On DTI Head Gasket ??

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    Default Water In Oil On DTI Head Gasket ??

    Hi, did an oil change last week and changed filter also (Fully Synth). About 3 days later the coolant level light came on on the dash. I took a look and it was empty. So I filled it up again and used car as normal. Then the next day I was driving along and the light came on again!

    So I thought I would take a look at the oil level. I took the dip stick out and saw that the nice new oil was grey in colour and didnt feel right between my fingers.

    So I took the cam cover off to see what it was like inside, the engine was exceptionally clean, I couldnt believe it. But there's loads of 'mayo' inside the cover and bits on sides etc. The coolant hasn't got any oil in at all and theres no water leaks anywhere. I am now starting to think this is the head gasket. I think it's failed and is letting water through to the oil when the pressure builds up. This is the reason that the engine is clean as the water is acting like a steam cleaner! When I took the oil filler cap off a load of steam came out!!!

    But what I cant work out is that the car is not overheating at all, even when the coolant level is low, it stays at 80 degrees even when idling.

    Any ideas guys....

    Ron..

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    There's still enough water in the system to keep it cool... at the moment - remember, it's called a header tank for a reason

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    Yeah, I guess so. Maybe the pressure lessens when the header tank is empty and the water doesnt get forced in to the oil ??


    I have just done a search on grey oil, and a lot of hits have came back to say that it means water has mixed in with it. And it mentioned that as the oil and water are beaten together as the engine rotates, this creates a 'vaseline' type of emulsion build up. This is exactly like the pure white 'mayo' I have inside the cam cover..


    Cheers
    Ron.

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    Regular Member triple595's Avatar
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    head gasket engine flush then fresh oil

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    yeah, think I will have to do this as it looks likely that it's the head gasket.

    What engine flush should I use, Wynns ??

    cheers
    Ron.

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    Regular Member triple595's Avatar
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    either that or forte both used by garages

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    Regular Member alanv6's Avatar
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    Dont just jump in at the old headgasket failure as most people tell you, These engine suffer from oil cooler probs, they crack internally and oil get forced into the cooling system as its higher pressure. Its part of the oil filter housing, cheap on ebay, around 30 quid...

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    Regular Member alanv6's Avatar
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    Quote Originally Posted by alanv6 View Post
    Dont just jump in at the old headgasket failure as most people tell you, These engine suffer from oil cooler probs, they crack internally and oil get forced into the cooling system as its higher pressure. Its part of the oil filter housing, cheap on ebay, around 30 quid...

    Forget this as i didnt read the thread properly

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    ok, I with the help of a mate have taken the head off, I have attached a pic to this post. in the top right of the pic you can see where the water is mixing with the oil, look at the journal hole that looks like a ring pull,on the surface around it there's rust, water has seeped between the head and the gasket.

    Look inside the big oval journal theres loads of 'mayo' inside of it. Next to this there are the smaller water journals, you can see small deposits of 'mayo' that have been sucked back through the layered gasket and in to the water way.

    So I think this is pretty evident that its a failed head gasket that has caused this problem. The high pressure of the coolant circuit has forced its way in to the lower pressured oil circuit. When the engine is maybe not up to running temp a small amount of oil was seeping in to the water circuit causing the 'mayo' between the layers, but not enough to leave any noticeable evidence in the water !!!

    So I can now order a new headgasket, some head bolts and a can of Wynns or Forte engine flush !!! By the way the head bolts are Torx E18 if anybody else is going to be doing this.

    Not sure if the head will be distorted, will have the get a straight edge to it, didnt have time last night as it was too late ! Fingers crossed it will be ok !!


    Cheers
    Ron

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    Regular Member triple595's Avatar
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    worth getting it to a machine shop to be tested imo, my frontera did this and needed a slight skim to sort it, handnt warped just bad casting

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