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boost hose size?

Discussion in 'A4/S4 forum(B5 Chassis)' started by Karlos the Avant, Oct 4, 2009.

  1. Karlos the Avant
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    Karlos the Avant A4 1997 18t Avant,17" Chromes

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    hi guys
    could anyone tell me what is the inner core size i need to replace the boost hoses from top of dv ect small looking tubing.

    ive got a roll of 5mm inner core size silicone would this be ok or incorrect size?

    the only thing im stuck with why doing some other work.

    thanks in advance :applaus:
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  2. aragorn
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    aragorn "Stick a V8 in it!" Staff Member Moderator

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    i think its 3 or 4mm, try the 5mm on there and see if it fits, but i'm sure its smaller.
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  3. Karlos the Avant
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    Karlos the Avant A4 1997 18t Avant,17" Chromes

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    thanks Kev,
    it does seem to fit tight enough but wasnt sure if it HAD to be a certain size? or is it ok as long as its on tight and leakless, the silicone ive got is not re-enforced in the silcone{with the string inside the silicone} would that be ok?
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  4. aragorn
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    aragorn "Stick a V8 in it!" Staff Member Moderator

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    yeh the vacuum silicone rarely has reinforcing.

    Put a cable tie round the barb to secure it on and you'll be fine.
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  5. Karlos the Avant
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    Karlos the Avant A4 1997 18t Avant,17" Chromes

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    thanks again mate,should be back on road today all being well:rockwoot:
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