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Can anyone help with this split hose?

Discussion in 'A3/S3 Forum (8L Chassis)' started by s3speedpluscomfort, Jun 26, 2011.

  1. s3speedpluscomfort
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    s3speedpluscomfort New Member

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    [Jun 26, 2011]
    Hello experts ;)

    This hose has split in my s3 and it cant be bought individually from AUDI. It comes with two other hoses and clips that I don't need if I buy directly from them and costs over €100.

    I have it removed and was wondering can I use 4mm ID silicone hosing similar to that used for the n249 bypass?

    Also what does this hose do?

    Thanks for looking and hopefully somebody can help :)

    [​IMG]
    Last edited: Jun 26, 2011
    #1
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  3. superkarl
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    superkarl MAN OF STEEL

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    [Jun 26, 2011]
    That goes to the n75 valve, which controls wastegate opening and subsequently boost. Just get silicon the same internal diameter, it should flex enough to fit nicely
    #2
  4. rhubarb4
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    rhubarb4 Certified Jardo Slayer

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    [Jun 26, 2011]
    Would that be 4mm ID then as I'm looking to change mine

    Thanks Chris.
    #3
  5. superkarl
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    superkarl MAN OF STEEL

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    [Jun 26, 2011]
    I'm not sure of diameter. Youl be needing proper 3 ply silicone too at least, not vac hose. It gets hot round there.
    #4
  6. ja3mie
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    ja3mie A3 1.8t Quattro Sport!

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    [Jun 26, 2011]
    looks bigger than 4mm to me, but as Karl sad, its pretty flexible so should be able to get it to shape :)
    #5
  7. S4 Muzza
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    S4 Muzza oww! my giant blue head!

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    [Jun 26, 2011]
    #6
  8. superkarl
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    superkarl MAN OF STEEL

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    [Jun 26, 2011]
    Lol forget what i said, get the above! I had no idea they wer that cheap
    #7
  9. s3speedpluscomfort
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    s3speedpluscomfort New Member

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    [Jun 26, 2011]
    You my friend are an absolute legend. Thanks very much, that's exactly what I needed. I have now ordered them. :)
    Last edited: Jun 26, 2011
    #8
  10. S4 Muzza
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    S4 Muzza oww! my giant blue head!

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    [Jun 26, 2011]
    Glad to be of assistance! I fitted them a few days ago, they're a perfect fit so only took around 30 mins
    #9
  11. Sam_
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    Sam_ Down under

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    [Jun 26, 2011]
    I got the same ones in black. Seem pretty well made. The bracket needs slight bending to get the DV one in but that's to be expected as it's a little larger.
    #10
  12. talentwalsh
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    talentwalsh Member

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    [Jun 26, 2011]
    Thats a top notch find Muzza
    #11
  13. <tuffty/>
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    <tuffty/> Badger 5 Edition Staff Member Moderator

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    [Jun 26, 2011]
    You need 6mm silicon... 4mm is too small

    <tuffty/>
    #12
  14. dplovin
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    dplovin Member

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    [Jun 26, 2011]
    If you look on the Audi parts for sale on here mate someone's selling both hoses brand new £15 delivered in black
    #13

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