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Modifying an Audi R8 oil cap

Rabbit222 May 27, 2009

  1. Rabbit222

    Rabbit222 Active Member

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    to fit properly. Has anybody done this? If so please assist with a DIY:uhm:
     
  2. gixxer600k4

    gixxer600k4 Member

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    ive always thought that it should fit from standard, no modifying needed! why does it not fit?
     
  3. Ash B

    Ash B Well-Known Member

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    Rabbit never had a problem with mine! Only problem i did have, one just disappeared!! So bought a new one. And they both seem to fit fine and secure.
    Only thing i can think that happend to the first one i never put it on properly.

    I take it the one you got doesnt fit your S3? Or a bit loose?


    Thanks

    Ashley
     
  4. frenchy2475

    frenchy2475 Tetbury Audi Parts Man

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  5. Rabbit222

    Rabbit222 Active Member

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    Cheers frenchy! Thats exactly the problem! It sits tight but the direction is all wrong...

    Thanks for all the replies!

    Shaun
     
  6. Fast,not furious

    Fast,not furious Dealing with an OCD

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    Ah,yes. Wondered what you were going on about there Shaun,i had the same prob with mine - i just turned it back about 1/4 turn so it lined up,not that it matters,but i get where you're coming from! It's all in the detail.

    Now how about posting a pic of your engine cover?:yes:
     
  7. Rabbit222

    Rabbit222 Active Member

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    Detail is key!

    [​IMG]
     
  8. Boydie

    Boydie S3 8V DSG VCDS Map User

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    Strange - no issues at all with my R8 cap - sits higher than standard but its a perfect fit otherwise!
     
  9. evapor8

    evapor8 Member

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    Mine (admittedly bought direct from the guy on ebay) is fine.

    Chris
     
  10. Khufu

    Khufu Well-Known Member

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    IIRC you can buy them off of ebay already adapted to fit the S3/A3.
     
  11. evapor8

    evapor8 Member

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    That'll be why mine fitted fine!
     
  12. Jamiekip

    Jamiekip Member

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    Funnily enough mine was out of line when I bought it..... but the Audi dealer adjusted it so it lined up properly when it was in for a service.... I know... a main delaer actually doing something RIGHT for a change lol
     
  13. JohnS3

    JohnS3 Active Member

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    Don't you mean for a charge? :whistle2:
     
  14. Jamiekip

    Jamiekip Member

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    For once it wasn't a typo John hahaha!
    I just happened to notice one day that it was now lined up properly.... come to think of it, could have been Regal as they have worked on the car several times now..... lol... that sounds far more likely :keule:
     
  15. Fast,not furious

    Fast,not furious Dealing with an OCD

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    :hubbahubba: i love this
     
  16. Staz

    Staz is a retronaut Staff Member Moderator VCDS Map User

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    I got one from ebay only 2 weeks ago. He says to tell him what engine you have when you order. It was still out of alignment!

    Easy to sort though.
     
  17. Boydie

    Boydie S3 8V DSG VCDS Map User

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  18. Jamiekip

    Jamiekip Member

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    Looks nice - they state it will not fit the right way round... wonder if this one is adjustable too
     
  19. Boydie

    Boydie S3 8V DSG VCDS Map User

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    Wild price for a cap that will not fit the correct way!
     
  20. VRStu

    VRStu Just Looking VCDS Map User

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    I've got the coolant cap on mine, had it on for a while - Not cheap though.
     
  21. NHN

    NHN Retrofitter - Audi - VW - Skoda - Seat Site Sponsor VCDS Map User

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    Few of us got one of ebay, fitted 100% tbh no problems.

    I do however take back some words about pricing at awesome, that particular item is expensive tbh, given the oil cap was £20, so that is 150% more, tad rich to say the least
     
  22. VRStu

    VRStu Just Looking VCDS Map User

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    They are expensive Nigel, not sure what I paid from TPS but I bet it wasn't far short of that.
     
  23. NHN

    NHN Retrofitter - Audi - VW - Skoda - Seat Site Sponsor VCDS Map User

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    Aha its actually sourced from TPS or Audi parts, cool, I'll give Mitch a call at brighton, see what they say.
     
  24. VRStu

    VRStu Just Looking VCDS Map User

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    Yep it's 420 121 321.
     
  25. VRStu

    VRStu Just Looking VCDS Map User

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    In November the prices were -

    420 121 321 RRP £41.66 Paid £38.33
    420 103 485B RRP £17.91 Paid £17.19

    All prices plus VAT.
     
  26. Boydie

    Boydie S3 8V DSG VCDS Map User

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    Bringing some life back to this thread!

    I sold my original R8 Oil cap 2 years ago or so but bought another there recently but it sits at 90degrees when on :(

    What modifications are needed to ensure proper fitment?
     
  27. N8

    N8 Kowalski Details VCDS Map User

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    Mine sits perfect, I don't get it?
     
  28. S3RYE

    S3RYE Interior Next!!

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    im pretty sure you can either get a Original R8 cap (that sits at 90 deg) or a pre modded one from Awesome etc that sits perfect..

    could be wrong though!!
     
  29. martinivw

    martinivw :)

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    Here goes, there are 2 seals on r8 oil cap a flat washer like one at the bottom and an o-ring type seal towards the top close to the silver
    bit, remove the o-ring seal that really does feck all on our engines and beneath it you should be able to separate the top(fancy) part of the cap from the lower cup like section (you will see what I mean when u separate it),
    Now you have 2 parts the lower cup which I attached to engine at this point, and the "r8 part" inside the cup are 4 small locating tabs,
    now the hold the r8 part over the cup on the engine and note where on the r8 cap where the locating tabs are as you will have to cut
    "SMALL slits" in the r8 piece so that it sits correctly in the lower cup!!
    Take ure time when cutting the slits and make sure they are SMALL as I went in guns blasin and cut them too big and had to do some dodgy repair to make it ok :(
    Hope that makes sense
     
    Last edited: Aug 10, 2011
  30. NHN

    NHN Retrofitter - Audi - VW - Skoda - Seat Site Sponsor VCDS Map User

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    Yeah simple mod tbh, not hard, then again we're talking about an irishman, so maybe Boycie will need Rodneys help lmfao
     
  31. Boydie

    Boydie S3 8V DSG VCDS Map User

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    Engineer remember, easy.....

    Thanks lol
     
  32. warren_S5

    warren_S5 Moderator Staff Member Moderator VCDS Map User

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    :laugh:
     
  33. NHN

    NHN Retrofitter - Audi - VW - Skoda - Seat Site Sponsor VCDS Map User

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    An irish engineer, uh oh :undwech:
     
  34. Boydie

    Boydie S3 8V DSG VCDS Map User

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    Oh yeah!!!

    Oil Cap in question:

    [​IMG]

    Turn over and remove thick O ring and middle O ring at the base of the cap.

    [​IMG]

    Voila

    [​IMG]

    You will see in the middle of the depth of the cap there is a gap around the circumference. Wedge a small flat head inbetween the two parts of the cap. Do not be afraid of breaking the cap as mine came off easily enough. See two separate bits:

    [​IMG]

    All bits separate:

    [​IMG]

    I then read that some people have had to use snips to create new gaps in the plastic to fit the parts back together but I just worked out where exactly they were to be reconnected - about a quarter turn and pressed them both together, click! Secure connection!

    Refit the the O rings and then test fit on the car....

    Bingo!!

    [​IMG]

    [​IMG]

    10 minutes work!
     
    JG51 AUD, warren_S5 and KentKid like this.
  35. poli84

    poli84 Member

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    Great job Boydie.
    Thanks again for the detailed write up.
    I have an R8 oil cap on water from Germany at the moment (together with my Twintake) so will again be following your helpful DIY.
     
  36. Boydie

    Boydie S3 8V DSG VCDS Map User

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    No problme mate, thanks!
     
  37. poli84

    poli84 Member

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    R8 oil cap arrived and i just did this.
    Nice simple instructions, worked a treat.
    Took about 2 minutes.
    Thanks again.
     
  38. Boydie

    Boydie S3 8V DSG VCDS Map User

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    Glad to be of assistance :)
     
  39. KentKid

    KentKid Active Member Team Ibis TFSI Owners Group Audi S3 Manual

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    Ahh, the revival of an old thread!

    Having recently decided to show my engine bay a little TLC, I made the decision to buy an R8 oil cap.

    I picked one up from my local Audi dealership (Maidstone Audi) for £28, and following Boydie's excellent instructions above, managed to get it fitting nice and straight with minimal fuss.

    Thanks very much mate, much appreciated...
     
  40. Niloc

    Niloc New Member

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    Just done this mod on mine no cutting of slots needed just clipped back together , and fitted Porsche coolant cap too :)
     

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