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Whilst changing over to catch tank - replacing breather hoses, sizes?

Discussion in 'A3/S3 Forum (8L Chassis)' started by mikem1, Mar 31, 2012.

  1. mikem1
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    mikem1 Golf with BAM Engine

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    [Mar 31, 2012]
    Whilst doing the Catch Tank set up for all the known positives I have also thought about replacing some of the hoses in the engine bay for new items. In the picture below the hose coloured blue is from the end of the inlet manifold to the brake servo with a one way inline valve. What internal diameter is this, 12 or 13mm?

    In the diagram there is also the hose in red from the throttle body down to the TIP, as my car has a BAM engine transplant, I don't have the left portion to the charcoal canister (will be removing this, but retaining the wiring and valve to avoid issues), what internal diameter is this right part of the red hose, I believe looking at the bottom image it is 8mm?

    Other thing that seems odd is there are 2 inline one way valves in the red hose from the throttle body to the TIP, all seems standard but does there need to be 2?

    [​IMG]

    [​IMG]
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  3. G60DAN
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    G60DAN Member

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    [Apr 1, 2012]
    Sorry cant help with the pipes but what did you clean your in let wit.
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  4. mikem1
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    mikem1 Golf with BAM Engine

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    [Apr 1, 2012]
    Sorry, these are pictures I've found online whilst undertaking my catch tank install research.
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  5. G60DAN
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    G60DAN Member

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    [Apr 2, 2012]
    Thanks anyway
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