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Vacuum pipe size

tara_nta Dec 10, 2012

  1. tara_nta

    tara_nta Member

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    Hi, maybe a silly question but im going to replace all the vac lines on my 1999 tdi engine, what size pipe do i need? 3mm or 5mm?
    thanks in advance
     
  2. tara_nta

    tara_nta Member

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    Anyone?
     
  3. NineNails

    NineNails Proud sponsor of the snack food industry

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    Vac lines are usually 3mm internal diameter. I say usually because I don't know bugger all abut TDI's mate tbh
     
  4. tara_nta

    tara_nta Member

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    Lol ok thanks mate
     
  5. Bradderz_1988

    Bradderz_1988 Dont replace it, Upgrade it !!

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    3mm as you can force fit them for a secure fit, dont no about TDI's though as i hate diesel's lol but on mine its 3mm but my forge dv nipple is more 5mm so i just rammed it on fiddly but worked.
     

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