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  1. #1
    KeepItTidy's Avatar
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    S3 Haldex Gen 2 Engage/Disengage

    I recently got an S3 and am trying to get a better understanding of how it works. Would really appreciate some help as Im strugggling to find all the info I need.

    As Far as i know,my 2008 S3 8P is fitted with Haldex Gen 2, I've read alot about how quickly it can engage when the car senses the front wheels slipping. In 6 degrees of a wheel turn.
    Then, How long will it keep giving power to the rear under full throttle?
    if I launch hard and run 1/4mile,after second gear ,where there is no wheel slippage, is it still putting any power to the rear?




    Also in a very hard launch (for 1/4 mile) how much power does it throw to the back?
    is there a max % for distrabution? 50-50 ?



    Thanks in advance.

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  3. #2
    Dani_B19's Avatar
    Audi-sports own special child.

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    With the 8l model the haldex keeps on putting power to the rear until the ecu sense's the car is no longer loseing traction.
    Hope that helps.
    Driving the most secretive S3 on ASN

  4. #3
    ianysm's Avatar
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    I guess it can put a maximum of 50% to the rear wheels

    As soon as wheels slippage is no longer sensed, rearward power is stopped.

    My question is how quickly it acts as on the 8L i can notice it seems to have a delay before engaging
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  5. #4
    KeepItTidy's Avatar
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    :/ not really looking for guesses... I want cold hard fact! :P

  6. #5
    devonmikeyboy's Avatar
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    If you want "cold hard facts" use a thing called google on the internet and type in Haldex the company site is listed with all the information you want plus many other sites with information.
    .http://www.haldex.com/en-gb/Europe/A...ategories/AWD/

    http://www.billswebspace.com/HALDEX.pdf
    06 Audi 2.0 PD140 Sport TDI Quattro S-LINE.
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