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Thread: leaking water

  1. #1
    audiholic ste's Avatar
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    leaking water

    After a bit of help finding out what is leaking on my s3 . It seems to have crack on something under the y shaped pipe that is part of pcv system . What I want to know is this the thermostat housing and what part number is it ? . All help is welcome .

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  3. #2
    Prawn's Avatar
    My other car is a MINI!!!!

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    It sounds like your describing the coolant elbow on the end of the cylinder head.

    This isn't the stat housing no mate, but it is a common failure point and cause of leaks.

    part numbers do vary, so your best bet is to remove yours and take a look, but typically it'll be 06A 121 132 followed by a letter, in my case Q, like this:

    URO Parts 06A 121 132Q Cooling Hose Flange with O-Ring | eBay
    -------------------------------------------------------------------------------------------------

    Prawns TFSI Turbo'd 1.8T Track Car

    But I know nothing so ignore me.

  4. #3
    s3dave's Avatar
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    Its not the thermostat housing, but the pipe you mentioned is prone to splitting on the seams, about £15 from Audi

  5. #4
    audiholic ste's Avatar
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    Cheers prawn and Dave my working day has finished early again . So I will get it stripped off and replaced this afternoon . In what appears to buy a very nice day in the northwest the sun is out .

  6. #5
    Nilz's Avatar
    Defo worth the wait :)

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    Its a common fault and a pain to find, well it was for me as it was a hairline crack on mine!!

  7. #6
    audiholic ste's Avatar
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    Bleeding call outs meant I didn't get the new one fitted but I got the old one off it was buggerd . I'm half way there .

  8. #7
    JudderMan's Avatar
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    Changed mine the other week, might as well do an N249 and SAI removal while you're at it. I kept the pump in place, but removed all of the pipes.
    2000 Audi A3 1.8T Sport AUM K03S|Second owner|Forge 007p|CM TIP|Yellow Dogbone|Pipercross panel|Stage1Map
    WANTED: Audi A4 B7 or MK5 5Dr Golf GTi (manual)(Want to Buy December 2014 so Keep Me in Mind)

  9. #8
    audiholic ste's Avatar
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    Is the sai part of the n249 delete .

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    Quote Originally Posted by audiholic ste View Post
    Is the sai part of the n249 delete .
    No, two different systems, and can be deleted individually.

  11. #10
    JudderMan's Avatar
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    Sai removal guide

    N249 Bypass How To (2000 S3 - but same for many)

    I didn't want to mess about in the freezing cold with removing the pump and soldering so it's stayed in place. I still have an error code but it doesn't bother me. In my mind, less stuff that can go wrong the better.
    2000 Audi A3 1.8T Sport AUM K03S|Second owner|Forge 007p|CM TIP|Yellow Dogbone|Pipercross panel|Stage1Map
    WANTED: Audi A4 B7 or MK5 5Dr Golf GTi (manual)(Want to Buy December 2014 so Keep Me in Mind)

  12. #11
    Schlaag's Avatar
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    Ahh this is my issue. Thanks guys.

    Damn hairline crack... only visible when looking and squeezing water pipes!

    Blimin oil breather hose from under the inlet that goes over the top of this has torn too... ffs!

    2001 AMK Dolphin Grey S3

 

 

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