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Haldex System Not working?? Front wheels spinning???

Discussion in 'A3/S3/Sportback (8P Chassis)' started by NDK2013, Feb 27, 2014.

  1. NDK2013
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    NDK2013 Member

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    [Feb 27, 2014]
    Hi Guys,

    Only noticed this the other night when I had to drive over some grass and got stuck in my S3!!! Front wheels spinning nothing coming from the rear??? No Spinning, nothing at all from it!?

    Any ideas??? And any ideas in kings lynn area I can take to look at? I hear it could be a fuse but what fuse am I looking at/for???

    Thanks in advance

    Nathan
    #1
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  3. S3AMK20VT
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    S3AMK20VT Member

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    [Feb 27, 2014]
    #2
  4. NDK2013
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    NDK2013 Member

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    [Feb 27, 2014]
    #3
  5. NDK2013
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    NDK2013 Member

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    [Feb 27, 2014]
    Any ideas??? Never happened to any 1 else?
    #4
  6. kanecullen89
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    kanecullen89 Active Member

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    [Feb 27, 2014]
    I think lots of people have had these issues before with the haldex system but there's many things that can affect it.

    The haldex system is electronically controlled so it could be something as simple as the fuse blown or could be the pump or controller.

    The easiest bet would be to see if there is any vcds users in your area to scan and see what faults are picked up.

    I can't help much because I've never had a haldex car (I've got an A4 quattro) so don't have first hand experience but there is a lot of knowledge on here and I know these problems are quite common so well worth a search
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  7. veeeight
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    veeeight Well-Known Member

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    [Feb 28, 2014]
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  8. RobinA3
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    RobinA3 Well-Known Member

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  9. RobinA3
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    RobinA3 Well-Known Member

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    [Feb 28, 2014]
    If you can get someone with vagcom they can test the pump by sending a signal to it to make it prime - if it's working then you will hear it.
    #8
  10. veeeight
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    veeeight Well-Known Member

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    [Feb 28, 2014]
    Only if his car has a Gen 4 Haldex, will there be a pre-charge pump :)

    edit: Gen 2 still has a coupling pump though, but this only normally operates above 400rpm. It could be this that has failed.
    Last edited: Feb 28, 2014
    #9
  11. NDK2013
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    NDK2013 Member

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    [Feb 28, 2014]
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  12. MrLapou
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    MrLapou Well-Known Member

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    [Feb 28, 2014]
    Should try switching OFF ESP in such conditions.
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  13. NDK2013
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    NDK2013 Member

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    [Feb 28, 2014]
    I did fella, Just front wheels spinning! may as well been in my old VXR!
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  14. NDK2013
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    NDK2013 Member

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    [Feb 28, 2014]
    Hi thanks for this....

    Audi changed it so i'm hoping so!!
    Whats the clutch Pack??

    Nathan
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  15. kanecullen89
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    kanecullen89 Active Member

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    [Feb 28, 2014]
    The haldex system has a clutch pack in it. The pressurised oil pushes the clutch pack together to transfer the drive from the driveshaft to the rear wheels
    #14
  16. MrLapou
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    MrLapou Well-Known Member

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    [Feb 28, 2014]
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  17. NDK2013
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    NDK2013 Member

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    [Feb 28, 2014]
    I cant remember to be fair?? But even with that on the fron wheels jump if i boot it from a junction and also they did not even try to move at the rear when stuck?? surley it would at least try and move the car???
    #16
  18. ron burgandy
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    ron burgandy Member

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    [Feb 28, 2014]
    It's your haldex pump, it needs replacing
    #17
  19. NDK2013
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    NDK2013 Member

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    [Feb 28, 2014]
    What's the likely cost. Any ideas?
    #18
  20. Keane
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    Keane Active Member

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    [Feb 28, 2014]
    Many people have problems when changing the heldex oil ! I've got mine booked in with Audi but getting put off lol. Can I ask how much it cost you ? Cheers
    #19
  21. NDK2013
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    NDK2013 Member

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    [Feb 28, 2014]
    Really can't remember to be honest. I think it was around £125 ish I think
    #20
  22. NDK2013
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    NDK2013 Member

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    [Feb 28, 2014]
    Any one know part number for pump so I can look to get this ordered???
    #21

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