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Sounds expensive.... lol.

Discussion in 'A3/S3 Forum (8L Chassis)' started by Welly, Jan 4, 2012.

  1. Welly
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    Welly VX220 SC Driver :)

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    I suspect my rear diff may well be of the way out. Well, more specifically the Haldex clutch pack.

    The other day, I nearly s**t my pants when driving down the A38 in the wet, I put my boot in in 6th to overtake and the front wheels lit up.

    So that would be the Haldex not working then... Bugger.

    VAG COM gave me one I've not seen before, but altogether bad. 'Haldex Clutch - Mechanical Mulfuction'.

    However I drove it later and it actually was fine and dandy - Haldex working fine.

    However over the past few days, when booting it in second when really working the Haldex, the thing is producing bangs and feels like it's slipping.

    Anyone know if just the clutch pack can be replaced??

    To be fair, a new diff and clutch pack isn't the end of the world at £130 + del...

    Thoughts?

    Damn car is falling apart.
    #1
  2. superkarl
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    superkarl MAN OF STEEL

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    Im glad I'm not the only one, yesterday i had a massive vibration followed by fwd. 2nd time now, but last time it fixed itself.
    I'm really starting to hate this lame 4wd.

    I was looking on the bay about 6 months ago for diff and/or haldex units and I was expecting to pay 200-250 quid. Which is a fair bit of dollar considering how old the units can be.

    Have you considered doing a diff and haldex oil change? That's what im doing first, I also have a spare controller in my garage luckily.
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  3. patTTpoa
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    patTTpoa Member

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    I've looked into this & it's not a nice job to replace the clutches in the diff.
    The clutches are only £120ish from TPS.

    I think the best way is to get a second hand diff as I did & I was very luck as the person I got it off didn't know anything about it & I also got the haldex controller aswell & only paid £40 for Both ;)

    Pat
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  4. <tuffty/>
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    <tuffty/> Badger 5 Edition Staff Member Moderator

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    There is a complete haldex/diff at Bill's mate... its Danes but not sure what the plan was for it now he has sold his S3 on...

    <tuffty/>
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  5. Welly
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    Welly VX220 SC Driver :)

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    Was done within the last 10K mate sadly. Wish it was that to be fair, not an expensive fix.

    Rear diffs second hand seem to have plummeted in price though. Example: Audi S3 Rear Diff 2001 | eBay
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  6. ScottD3
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    ScottD3 I want your faulty electronics

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    I think Reesy still has his haldex stuff from his STQ A3 thingy or what ever it was/is.
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  7. Welly
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    Welly VX220 SC Driver :)

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    Replacement Diff sorted :). Thanks Dane :wub:
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  8. Welly
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    Welly VX220 SC Driver :)

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    Sooooo then, the next fun thing - how to fit it.... lol.
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  9. ScottD3
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    ScottD3 I want your faulty electronics

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    Brilliant. :friends:

    Me and wasty was talking about you and Haldex yesterday.
    Hope we did not jinx it. :)
    #9
  10. Welly
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    Welly VX220 SC Driver :)

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    Saying what??

    Lol, no mate, was a bit poorly last week so wasn't you.
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  11. ScottD3
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    ScottD3 I want your faulty electronics

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    Just wondering how much power the Haldex can take.
    He used you as evidence of it taking alot of punishment and still going.
    #11
  12. patTTpoa
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    patTTpoa Member

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    Not fun on your back!!

    Pat
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  13. ScottD3
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    ScottD3 I want your faulty electronics

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    #13
  14. Welly
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    Welly VX220 SC Driver :)

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    Mines also done 155K + so credit where it's due. It's seen off 3 prop shafts.
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  15. <tuffty/>
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    <tuffty/> Badger 5 Edition Staff Member Moderator

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    They are fairly resilient to be fair but age/mileage seems to be taking its toll... mines next then lol...

    There has been a few more posts recently for the (seemingly) normal haldex issue of the diff locking at low speeds which is typically related to the lack of regular oil changes... haldex servicing is oil change every 20k and filter every 40k but this is probably based on a std power car with ESP on most of the time so is unlikely the haldex clutch pack is getting much abuse... a remapped car with ESP off and spirited driving is more likely to tax the haldex more and I have started changing my haldex oil every 10k...

    <tuffty/>
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  16. Welly
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    Welly VX220 SC Driver :)

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    I do as much AWD wheel spin as possible because it's cool. :). That's what has shagged mine guaranteed.
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    Pedrosousa likes this.
  17. s3dave
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    s3dave TFSI Hybrid

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  18. superkarl
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    superkarl MAN OF STEEL

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    If it was me id open the buggered one up too and find out what on earth fails, because everytjing surrounding haldex seems to be a mystery and complete guess work.



    P.s. where the hell is dane anyway?
    #18
  19. Welly
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    Welly VX220 SC Driver :)

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  20. ScottD3
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    ScottD3 I want your faulty electronics

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    Welly, please strip down your old haldex for us and get loads of pic.
    Or send it to me and I'll do it. :)

    I got no idea how the haldex works (Runs off to look at youtube) but can you not weld it up or make it constant AWD or something?

    EDIT:=- Looking at Daves link. Interesting. Thanks.
    Last edited: Jan 4, 2012
    #20
  21. colicabcadam
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    colicabcadam Guest

    i always wondered when this would happen, another 1 up for the "real" quattro boys lol

    it would not surprise me if you could fit motorcycle clutch plates in it ! it's generally dealing with a max of about 130lb ft on your car.

    i'd get the plates changed instead of putting on a second hand unit, you'll find yourself in the same situation sooner than you think if you dont, you may even be able to get some higher rated plates to deal with your extra torque, surely plates from the rs3 haldex would fit?
    #21
  22. colicabcadam
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    colicabcadam Guest

    have a look at this, i's the same thing pretty much

    Castrol&#39;s Trizone Technology - Clutch (motorcycle oil) - YouTube
    #22
  23. [Dave B]
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    [Dave B] Rrrrrrrr-tech

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    Que Jardo the S3 and Haldex hater....
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  24. ScottD3
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    ScottD3 I want your faulty electronics

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  25. BENJAMIN
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    BENJAMIN Member

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    I broke te clutch pack in my diff trying to show off to some kids in a saxo. Made myself look a bit of a bellend.
    Really easy to change the diff surprisingly, there's enough slack in the rear shafts to enable them to be unbolted on the diff end and drop down, so need to even take the wheels off.
    #25
  26. <tuffty/>
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    <tuffty/> Badger 5 Edition Staff Member Moderator

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    Already planning to do this ;P

    <tuffty/>
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  27. superkarl
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    superkarl MAN OF STEEL

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    On a more positive note welly, katy perry might be single soon.....
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  28. ScottD3
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    ScottD3 I want your faulty electronics

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    Nice one.
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  29. Welly
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    Welly VX220 SC Driver :)

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    Ooooh I like the sounds of that. That's made me happy. Does it just unbolt and drop down?
    #29
  30. Welly
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    Welly VX220 SC Driver :)

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    I know mate, AND Katherine Jenkins as well!!!

    Ahhh well, I'm sure I can make her feel MUCH better....

    What a start to the new year. I now have a choice...

    [​IMG]

    Or....

    [​IMG]

    Decisions decisions...

    We digress....
    [​IMG]
    #30
  31. Welly
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    Welly VX220 SC Driver :)

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    That was your opening statement about the whole thing.... 'I want to take it apart....'
    #31
  32. ScottD3
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    ScottD3 I want your faulty electronics

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    Taking things apart rocks.
    I enjoy it more than sex...........Thats not healthy is it? lol

    All for you welly.
    Katy Perry Pictures
    #32
  33. <tuffty/>
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    <tuffty/> Badger 5 Edition Staff Member Moderator

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    :)

    <tuffty/>
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  34. Welly
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    Welly VX220 SC Driver :)

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    I don't think it is particularly....no....
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  35. patTTpoa
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    patTTpoa Member

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    I'm going to use that lol
    #35
  36. Welly
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    Welly VX220 SC Driver :)

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    Having just reread this - it made me think, that must have been wounding :(
    #36
  37. Prawn
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    Prawn My other car is a MINI!!!!

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    On new years eve I had a massive vibration in 2nd followed by 0wd.

    Now I've got a 4 speed A3 ;)

    Bad luck wellyboots, but you've got more power than everyone, and you've spent less money than just about anyone else, so I thought you're doing pretty bloody well!
    #37
  38. Welly
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    Welly VX220 SC Driver :)

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    Yeah, that's a LOT more inconvenient lets be fair.... Noone wants that, especially not on NYE...
    #38
  39. <tuffty/>
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    <tuffty/> Badger 5 Edition Staff Member Moderator

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    ...for now :eyebrows:

    <tuffty/>
    #39
  40. Welly
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    Welly VX220 SC Driver :)

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    You are the one person I hope makes more power than me. For one reason. You deserve to.
    #40

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