Question about 2001 Volkswagen Passat

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I have a vw passat 2.0 auto 2001 plate car has started losing coolant and there is light brown creamy sludge in expandtion bottle,there is no sludge in oil filler, chamber,or on dip stick,on dashboard display says stop check coolant see service manual

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  • mikecandy132 Jul 15, 2010

    this car has only 35000k on the clock

  • mikecandy132 Jul 18, 2010

    some of the info was good in the end I managed with a knowledgeable friend ,job now done

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3 Answers

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  • Master
  • 1,016 Answers

Hi,

Oh no you have a cylinder head gasket sealing problem, the oil is getting to the cooling system through an oil gallery in the head gasket.

You going to have to get the headgasket replaced.

Hope this helped, let me know if you need more information.

Thanks

Jason

Posted on Jul 15, 2010

  • Jason Maurirere
    Jason Maurirere Jul 15, 2010

    Are your sure it's a 2,0 Litre as the only listing for this model is 1.8 and 2.8L.



    Well if you think that isn't the case then thats ok, I have send and repaired blowen head gaskets on vehicles that have only done 1500km.



    There is only one other way that oil could get into the cooling system and thats through the gasket which is sealing the oil cooler from the cooling system.

    This is the big round thing, with the oil filter attached to it.



    At the end of the day you have oil in the cooling system and these are really the only 2 points it can come from, because you don't have any water showing in the sump.



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  • Master
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When you get that milkshake look inside the engine in the oil thats an indication your leaking coolant thru the head gasket. If no coolant leaks can be found and white smoke comes out the tailpipe especially on cold starts then your going to have to get it looked at to be sure..

Posted on Jul 15, 2010

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  • Master
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HI. If your car is equipped with an engine oil cooler that uses coolant to operate, this would be a good place to start (This is a big issue in some GM vehicles). Sometimes an engine oil cooler can act like a one way valve. When the engine is not running but is still hot, the cooling system will have about 15-20 pounds of residual pressure forcing coolant into the engine. This problem can be repaired by replacing the engine oil cooler. Once the oil cooler has been replaced you must replace the engine oil and filter and recheck for the conditions once more. There are three remaining causes for coolant in the motor oil, and they all require you to dismantle the engine. This can be tricky because the repair overlaps and it is difficult to tell which one is causing the problem. Example: A mechanic has told you that the cylinder head is cracked, or warped, and as they start disassembling, they discover that the culprit was the intake manifold gasket. It's up to the honesty of the repair shop to tell the customer that the cost of the repair will be less. Or the opposite can happen. Example: Your tech has discovered that your engine has a blown head gasket; Once the disassembling is complete, they inform you that the head gasket is ok, and the cylinder has been pressure checked and is ok. This will isolate the engine block as the failure and must be replaced to repair the problem, which can be very expensive. The point is to always start by checking the intake gasket first on V6, V8 and V10 engines; Then the cylinder head gaskets and cylinder heads. Finally; The engine block.

Posted on Jul 14, 2010

  • 1 more comment 
  • Michael Masters
    Michael Masters Jul 15, 2010

    That mileage dose not matter. Your block has been compromised. This is a gasket issue at best. The mileage dose not make a difference in this case. This engine has been abused.


    Good Day:)


  • Michael Masters
    Michael Masters Jul 15, 2010

    Seriously; You have coolant and oil mixing... This is not an easy fix. Your engine will need to be dismantled for proper repair of the failed gasket, as stated CLEARLY in my initial post.....


    Again, have a great day...

  • Michael Masters
    Michael Masters Jul 18, 2010

    I'm curious, what was the issue????

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