Monster MotorsportChris Nott
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  1. #1
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    Vacuum pipe size

    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

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  3. #2
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    Anyone?

  4. #3
    NineNails's Avatar
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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
    2000 1.8t quattro Sport totally standard (ish)

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    Lol ok thanks mate

  6. #5
    Bradderz_1988's Avatar
    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.
    1999 Audi A4 1.8T Quattro Sport - Volcano Black

    Mods - Frankenturbo F21 Kit - 3" MAF - Saab Reds - THS Decat - Non Res Milltek - ECS Crank Pulley - 034 Snub + Bracket/Gbox Mounts - 1Z/S2 Clutch + Flywheel - 007p - ICM + EVAP Delete - PFR6Q Plugs - S4 B6 345mm Brakes - 300mm Rear Brakes - Goodridge Hoses - LCR Splitter -S4 Bumbers + Skirts/Mouldings - OEM Xenons - Apikol Diff mounts - Polytek'd Rear Diff Mount
    To do/planned -Eibach pro's - GT2871/76R + FMIC + ME7 (maybe) + Engine/stroker Build

 

 

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