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3, 5, 8mm silicone tubing......

Discussion in 'A3/S3 Forum (8L Chassis)' started by Dani_B19, Feb 12, 2011.

  1. Dani_B19
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    Dani_B19 Audi-sports own special child.

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    [Feb 12, 2011]
    Evening gents.

    I need to know if 3, 5 and 8mm silicone are the correct sizes for replacing all the rubber hoses in the engine for the expansion tank, charcoal canister, boost lines etc?

    I know the boost lines, like dv are 3mm but what about the rest.

    Dan :).
    #1
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  3. coyle
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    coyle From Show... to GO

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    [Feb 12, 2011]
    I got 3,5 and 8mm and replaced it all,so yep!

    Ohh, and some 25mm from charge pipe to DV if you wanted to do that too :)
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  4. Dani_B19
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    Dani_B19 Audi-sports own special child.

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    [Feb 13, 2011]
    Thought so mate.

    Yeah im good for the DV, running a coldside relocation kit :).

    Where did you get your silicone from?
    #3
  5. talentwalsh
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    talentwalsh Member

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    [Feb 13, 2011]
    8 mm will do a lot of it. I bit the bullet and got the forge replacements and got the silicone lenghts at the same time. Just to note I ordered a length of 13mm hose to replace the pipe under the DV but it arrived as a 13mm outer dia not inner, so be carefull if your ordering any other bits.
    #4
  6. coyle
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    coyle From Show... to GO

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    [Feb 13, 2011]
    #5
  7. metricspaces
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    metricspaces Member

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    [Feb 13, 2011]
    I've had all the hoses available for Forge replaced on my S3.

    How much of 3, 5, 8mm should I get to do the rest?

    Is it just straight hoses I need, or any elbows?

    Roughly how many jubilee clips? What sizes?

    So, the shopping list would look something like:

    * 3mm Vac Hose (1 metre) 3mm Silicone Vac Hose Boost Dump Valve BLACK 1M on eBay (end time 20-Feb-11 12:02:31 GMT)

    * 5mm Vac Hose (1 metre) 5mm Silicone Vacuum Hose Pipe Silicon BLACK 1 Metre on eBay (end time 20-Feb-11 12:22:54 GMT)

    * 8mm Vac Hose (1 metre) 8mm ID VACUUM TUBING SILICONE HOSE SILICON RED 1 METRE on eBay (end time 27-Feb-11 11:09:11 GMT)

    * 8mm Straight Silicone (1 metre) (5/16") 8mm ID BLUE STRAIGHT SILICONE HOSE 1 METRE on eBay (end time 17-Feb-11 17:23:21 GMT)

    * Two lines to fuel rails (8mm fuel resistant) 8mm 5/16" Silicone Fuel & Oil Hose Flouro 1 Metre Blue on eBay (end time 25-Feb-11 16:17:56 GMT)

    * Pipe under the DV (1m of 13mm straight silicone) 13mm 1/2" Silicone 1 Metre Straight Hose Silicon Black on eBay (end time 04-Mar-11 10:33:47 GMT)
    #6
  8. Y83OLK
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    Y83OLK Hulk Smash!

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    [Feb 13, 2011]
    wonder if that 13mm stuff would do the hockey puck valve to tip too.
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  9. Dani_B19
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    Dani_B19 Audi-sports own special child.

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    [Feb 13, 2011]
    Nar, that 19mm if i remember correctly, tbh though, normal silicones fine for that, it's not like its got constant oil running through it.
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  10. coyle
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    coyle From Show... to GO

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    [Feb 13, 2011]
    I got 2metres of 3mm
    3metres of 5mm
    2metres of 8mm
    1metre of 8mm fuel silicone

    A 90degree angle of 25mm for charge pipe to DV
    #9
  11. metricspaces
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    metricspaces Member

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    [Feb 13, 2011]
    Cheers! Was your 3mm,5mm, and 8mm all Vac Hose? Or was the 8mm the straight silicone stuff?
    #10
  12. Dani_B19
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    Dani_B19 Audi-sports own special child.

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    [Feb 13, 2011]
    Anyone know what the charcoal and expansion tank tubing is?
    #11
  13. s3dave
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    s3dave TFSI Hybrid

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    [Feb 13, 2011]
    Charcoal is around 5mm i squeezed some 3mm on but its to tight really....
    #12
  14. metricspaces
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    metricspaces Member

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    [Feb 13, 2011]
    What's the charcoal?
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  15. s3dave
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    s3dave TFSI Hybrid

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    [Feb 13, 2011]
    charcoal canister/evap thing that lives by the coolant expansion tank
    #14
  16. Dani_B19
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    Dani_B19 Audi-sports own special child.

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    [Feb 13, 2011]
    Cheers dave, you know what the expansion tank is?
    #15
  17. talentwalsh
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    talentwalsh Member

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    [Feb 13, 2011]
    Its the coolant bottle by the charcoal canister

    By the way I made a mistake, it WAS the pipe between the hockey puck and TIP that was the 13mm I/D pipe not the DV..my bad
    #16
  18. Dani_B19
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    Dani_B19 Audi-sports own special child.

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    [Feb 13, 2011]
    Yeah mate it is.
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  19. talentwalsh
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    talentwalsh Member

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    [Feb 13, 2011]
    :laugh: im very sorry!!!
    #18
  20. Crazypete00
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    Crazypete00 Member

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    [Feb 13, 2011]
    anyone got any pictures?
    #19
  21. coyle
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    coyle From Show... to GO

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    [Feb 13, 2011]
    8mm hose from the expansion
    #20

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