Badger5JMB Retrofits
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  1. #1
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    k03s turbine shaft bent

    hi all

    i have just got my k03s turbo (ebay) and on taking it apart i find the shaft has a slight bend in it
    so what do i need to do???

    replace the shaft with k04 shaft, i now that the k04 shaft is bigger but does that meen that the
    bearing is thiner, i understand that the k04 and k03 use the housings.

    would it be just the case to get k04 shaft and k04 bearing and will it be a straght swop in
    the k03s housing.

    the engine is agu.

    tim

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  3. #2
    beachbuggy's Avatar
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    K03 and k04 have the same shaft just different sized wheels. K04 won't fit directly in k03s housings. It will all need to be balanced.

  4. #3
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    hi ok i can unerstand that so can there be a small amount of bend in the shaft cold side???

    and there must be some kinda upgrade to the 4mm shaft cold side???

    and how would i get it balenced

  5. #4
    sportquattro's Avatar
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    I wouldnt have thought any knd of bend would be good for the turbo longevity, given toe RPM a turbo spins at, any bend will cause inbalance issues. Was the turbo sold as fit for use? If so I'd send it back and get a refund if it was me
    1999 Audi S3 Superchips remap, Forge 007p, Phatnoise, Black Diamond Discs & DS2500 pads, N249 Deleted, Badger 5 TIP, Poly dogbone bush, Bilstein B8's and Eibach Springs.

    1986 Audi Coupe Quattro 2.2 restoration project

  6. #5
    <tuffty/>'s Avatar
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    Don't mix up float/clearance with bent... a bent shaft is a bent shaft and has no place in a turbo...

    Get the turbo refurbed by a company that knows what they are doing mate...

    <tuffty/>
    Silver 2001 AMK S3. Silver alcantara interior... now with added powarrrrrrrr, torques. VAGCOM + KII-USB. >> My build thread...

  7. #6
    Customboy's Avatar
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    Bin it and go for the ko4 like me !!!
    p

    THE BLUE BEAST, TAKEN FROM ME, GONE BUT NOT FORGOTTEN
    RTECH STAGE 2 REMAP NOW RUNNING 223 BHP AND 253 FTLB OF TORQUE,
    SUBARU IMPREZA WRX ESTATE SOON TO BE RUNNING 340 BHP
    ANTI LAG/LAUNCH CONTROL/MAF LESS/ LOVE IT !!

  8. #7
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    thanks for the info, but i got the turbo at silly price and on looking around i could get the shaft and balenced and seal kit
    for less than most peeps are paying for secondhand k03s.


    so if there is any one out there that knows the part numbers for shaft and where to get a good price on balencing to
    please send me a pm and we can do something.

    norfolkaudi

  9. #8
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    what did you get done to your K03S in the end?

 

 

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