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Guide - How to fit a catch can and simplify the PCV system

Westy Apr 20, 2011

  1. AFDanHef

    AFDanHef Member

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    I don't know what happened?? The thread was there a couple of days ago. I didn't delete it. Is there any moderator on here that deleted it for some reason?
     
  2. AFDanHef

    AFDanHef Member

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    Soooo .... I don't know what happened to the Group Buy thread but it's gone now. I'm sorry to the couple of members that were interested but I'm ready to buy now and not have to wait to gather a group of interested people. I'm not going to repost the group buy but I will forward the emails to someone if they want to pick it up and go with it.
     
  3. limbo118118

    limbo118118 LORD

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    what do people do who just put a filter on the rocker cover breather like this? im tempted to do it, to try an clean up my bay an remove as much as possible :/ could you just block of the oil breather on the block? plus i know some rocker covers dont even have the breathers...

    [​IMG]
     
  4. Westy

    Westy Well-Known Member

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    You'll just end up with a fuel smell inside the car. I started off with a filter and moved to a great big long hose to get those fumes to the back of the car.
     
  5. *P3nfold*

    *P3nfold* Member

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    On the website for Saikou Michi catch tanks Saikou Michi Co. 2013 there seems to quite a few options ranging for $60 plus, which catch can is best. I was looking at the S1-OCC $85 + P&P, what do you think?
     
  6. LSL

    LSL Luke

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    Does anyone know what the ID of the hockey puck to TIP connection is? ARY with 70mm MAF.

    Will save me having to take it all off then fit it again to go buy something to plug it with :laugh:
     
  7. IrishDave

    IrishDave Active Member

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  8. s3clarke

    s3clarke Money grabbing s3!

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    all the catch tanks I can find on the bay are only 15mm inlet/outlet :/ can somebody point me in the right direction? cheers.
     
  9. LSL

    LSL Luke

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    I used a 15mm can and 15mm hose up to the t-piece, works fine.
     
  10. s3clarke

    s3clarke Money grabbing s3!

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    Cheers pal, have you used some kind of 19mm to 15mm reducer then for the t piece?
     
    Last edited: Feb 14, 2013
  11. LSL

    LSL Luke

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    I had bought an adapter but turned out the 15mm hose would stretch over the 19mm t-piece, so I just did that as it's neater and less connections to go wrong!
     
  12. A3-Lee

    A3-Lee Active Member VCDS Map User

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    I have a 15mm catch can on mine and that's fine grae
     
  13. s3clarke

    s3clarke Money grabbing s3!

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    i'll look into it then when I change my TIP, probably not a bad idea to do it all at the same time. Cheers guys
     
  14. Pabl0

    Pabl0 Member

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    Ahem... Bored of waiting for the can to arrive so improvised form now, will pick up some synthetic wire wool tomorrow.

    [​IMG]


    Great guide Westy, very easy and worthwhile.
     
  15. Vwdan80

    Vwdan80 Member

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    i'm gonna be fitting a catch can soon (think original piping is starting to split) and just want to confirm that a one way valve on the servo pipe is not need for an s3?
    Dan
     
  16. vrbob

    vrbob Thats no Moon, Thats a space station!

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    Its already got one you are correct :)
     
  17. Gops

    Gops Badger 5 Edition VCDS Map User Gold Supporter Audi S3

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    I've vented it to the rear of the car but sometimes I get a wiff of what seems like plastic burning or something, it's not all the time but mostly when I stop.. Anyone else had this?
     
  18. rhubarb4

    rhubarb4 Certified Audi nutter Gold Supporter Team Silver quattro Audi S3

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    What can have you fitted Gops and did you use oil grade hose, as my setup Iv never had a whiff of anything really.
     
  19. Gops

    Gops Badger 5 Edition VCDS Map User Gold Supporter Audi S3

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    Yeah all oil grade hosed. Fitted the same can as prawn from eBay. Not quite sure what it is tbh. I need to have a proper look
     
  20. S3 Rav

    S3 Rav Well-Known Member

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    Gops make sure you iron out all the problems before I let you loose on mine lol!
     
  21. carld

    carld Member

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    Would doing this without a catch can And venting to the atmos cause any smoking issues on idle? Getting abit of smoke that smells of oil coming out my exhaust. A local garage think its down to the pcv delete
     
  22. harvey01

    harvey01 Member

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    im going to remove all the **** pipe and come of the oil filter pipe in to a tee the of the rocker cover also in to the tee the down to the hockey puck and iver into the tip or down under the car as i cant be arsed with the tank side of things
     
  23. s3gazz

    s3gazz Well-Known Member

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    Hi guys carnt seem to find the black pipe on eBay that u all use the oil graded one same as westys iv got blue at min and its changed colour can u help tar
     
  24. superkarl

    superkarl MAN OF STEEL

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  25. Gops

    Gops Badger 5 Edition VCDS Map User Gold Supporter Audi S3

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    I figured out what it was.. I cleaned the can with some solvent, I guess it didn't all come out so it was that which smelt! Never had a whiff off anything again! Vents to the atmosphere well so all good :)
     
  26. s3gazz

    s3gazz Well-Known Member

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    Thanks Karl pal
     
  27. harvey01

    harvey01 Member

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    has anyone just run the breather pipes into one and run it under the car ?
     
  28. <tuffty/>

    <tuffty/> Badger 5 Edition...Its all about the flow... Staff Member Moderator Audi S3

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    They have done but if you took it on track you would get crucified by the other track users... on the road its the motorcyclists that will suffer...

    I am sure you don't need me to explain why :)

    <tuffty/>
     
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  29. harvey01

    harvey01 Member

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    i ssee mate :salute:
     
  30. Adam Davis

    Adam Davis Member

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    Anyone else not see the issue when venting to tip, i have been reading up on it and cant seem to find a definitive answer. Off boost the standard setup vents through the pcv valve and to the inlet mani, on boost through the hockey puck. But on the simplified setup it has no way of venting off boost if routed to the hockey puck, only when on boost. It needs to be vented to atmosphere. Unless it runs through the small bypass in the hockey puck??
     
  31. IrishDave

    IrishDave Active Member

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    Quick question as I will be fitting mine soon. When you remove the pipe connecting to the brake booster and blank the pipe to the inlet mani. Could you not run a hose from the inlet mani to the brake booster therefore retaining pretty much the standard system or do I have it all backwards.
     
  32. Andrew@A.L.D

    Andrew@A.L.D May add NOS to 600+bhp S3.

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    Just showing off but i've gone from complicated to simplified back to complicated lol

    [​IMG]
    [​IMG]
     
  33. Tim_Attard

    Tim_Attard Active Member

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    that looks nice andrew u show off lol, whats the 4 outlets for? wouldnt you only need 2?
     
  34. Andrew@A.L.D

    Andrew@A.L.D May add NOS to 600+bhp S3.

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  35. Tim_Attard

    Tim_Attard Active Member

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    more pics show off ;)
     
  36. Westy

    Westy Well-Known Member

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    Care to explain what you're up to there Andrew?
     
  37. IrishDave

    IrishDave Active Member

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    Can anyone answer my question above.
     
  38. Westy

    Westy Well-Known Member

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    I'm not 100% sure what you mean in your question Dave.

    Just stick to the guide as its tried and tested. The less hose the better in my opinion.
     
  39. Andrew@A.L.D

    Andrew@A.L.D May add NOS to 600+bhp S3.

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    I didn't like the stuff on the market. Also running mega boost you do get more than normal blow by so more pressure in the crank case, if you have more outlets in the crank case you have less pressure
     
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  40. Tim_Attard

    Tim_Attard Active Member

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    think he wants to keep the brake booster connected, you can either blank it off or use a single bit of hose, if you have an aum then its seperate to the pcv anyway so mines still connected tbh makes no diffrence (could be wrong please correct me)
     

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