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Thread: 2007 A3 1.8 tfsi coolant leak

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  1. 2007 A3 1.8 tfsi coolant leak 
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    Hi all
    Iíve recently purchased a A3 1.8 tfsi, after putting it on a friends ramps and giving it a good service, I spotted a dreaded coolent leak🤦*♂️ But could work out where itís leaking from!
    After monitoring it for a week, Iíve noticed it only leaks after the car has reached full temp and the been turned off, Iíve been struggling to find where itís coming from, but, I can now narrow to do to the front of the engine in the middle and can just see a wet area through all the hoses.
    It seems to be running down the block and underneath, and stopping on the gearbox, making it look like the gearbox is leaking.
    Iím a my wits end with if new and Iím lost for ideas of what it could be.
    Next step us to totally strip the front end down to find the issue but that means having the car off the road for a few days. Meaning unhappy wife, cause Iíve brought a faulty car lol
    I would be so grateful for any advice as to what might be leaking.
    Cheers rich
     
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  2. Re: 2007 A3 1.8 tfsi coolant leak 
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    It could be the electric water pump, they are prone to leaks. Look out for purple dry powder around hoses and couplings, that is what dry G13 coolant looks like.
    Dark was that day when Diesel conceived his grim engine that begot you, vile invention, more vicious, more criminal than the camera even, metallic monstrosity, bale and bane of our culture, chief woe of our Commonweal. How dare the Law prohibit hashish and heroin yet license your use, who inflate all weak inferior egos? Their addicts only do harm to their own lives: you poison the lungs of the innocent, your din dithers the peaceful, and on choked roads hundreds must daily die by chance-medley. Nimble technicians, surely you should hang your heads in shame. Your wit works mighty wonders, has landed men on the Moon, replaced brains by computers, and can smithy a "smart" bomb. It is a crying scandal that you cannot take the time or be bothered to build us, what sanity knows we need, an odorless and noiseless staid little electric brougham.

    W.H. Auden (1907-1973), A Curse:
     
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  3. Re: 2007 A3 1.8 tfsi coolant leak 
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    Thanks crasher
    Il try get a even better look, Iím just really struggling to get a good view without stripping loads of stuff out of the way.
    The leak is dead centre at the front of the engine block. I canít seem to find a good parts drawing.
    My thinking was either what you mention or possibly the coolant flange?
    I donít really want to start pulling the car apart until I have the parts that could of failed in that area.
    Cheers rich
     
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  4. Re: 2007 A3 1.8 tfsi coolant leak 
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    Quote Originally Posted by Richard202 View Post
    I’m just really struggling to get a good view without stripping loads of stuff out of the way
    That is the modern engine bay for you and why we get stressed when mr/mrs average have a leak and are incredulous that it takes two hours to even get at it saying "when I were a yung un me dads Cortina had a leak and the bloke next door fixed with with a bottle of somit, can't you do that?"
    Dark was that day when Diesel conceived his grim engine that begot you, vile invention, more vicious, more criminal than the camera even, metallic monstrosity, bale and bane of our culture, chief woe of our Commonweal. How dare the Law prohibit hashish and heroin yet license your use, who inflate all weak inferior egos? Their addicts only do harm to their own lives: you poison the lungs of the innocent, your din dithers the peaceful, and on choked roads hundreds must daily die by chance-medley. Nimble technicians, surely you should hang your heads in shame. Your wit works mighty wonders, has landed men on the Moon, replaced brains by computers, and can smithy a "smart" bomb. It is a crying scandal that you cannot take the time or be bothered to build us, what sanity knows we need, an odorless and noiseless staid little electric brougham.

    W.H. Auden (1907-1973), A Curse:
     
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