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  1. enc

    enc Registered User

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    Just leaving this here incase somebody does a search

    For over 2 years My BKD engined A3 had intermittent coolant loss ... sometimes it’d go months without needing a top up to expansion tank then i’d have to top up once or twice then ...nothing for months [​IMG] there was no obvious sign of a leak. then about two weeks ago I started to top up every few days. The car was starting and running fine, no overheating, no gunk around the oil filler cap no steam from exhaust usually associated with water mixing with oil (blown head gasket porous cylinder head, etc)
    i did a thorough inspection and found traces of water trickling onto the top side of the gearbox. Online investigation pointed to a possible water flange leak.
    I booked the car in for pressure testing and they confirmed coolant was indeed seeping from the water flange.
    Replacement flange and all seems well again [​IMG]

    pictures to follow
     
    aqibi2000 likes this.
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  3. enc

    enc Registered User

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  4. NHN

    NHN Retrofitter - Audi - VW - Skoda - Seat Site Sponsor VCDS Map User

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    Which flange?
     
  5. enc

    enc Registered User

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    water trickling onto gearbox..
    [​IMG]

    flange highlighted in red ...
    [​IMG]

    new flange in place...
    [​IMG]
     
  6. NHN

    NHN Retrofitter - Audi - VW - Skoda - Seat Site Sponsor VCDS Map User

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    Ah yes I know that piece on the right side below the tandem pump.
     
  7. Troubs12

    Troubs12 Active Member VCDS Map User

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    Coolant temp sensor housing isn’t it?


    Sent from my iPhone using Tapatalk
     
    NHN likes this.
  8. NHN

    NHN Retrofitter - Audi - VW - Skoda - Seat Site Sponsor VCDS Map User

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    Yes bud you're correct, never knew it was called a flange, school day :)

    Which reminds me, coolant senders to change aswell as stat on mine.
     
  9. enc

    enc Registered User

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    Coolant flange GSF call it ...

    [​IMG]
     

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