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A3(8L) 1.9TDI Quattro rear subframe sawp

Platty Aug 24, 2013

  1. Platty

    Platty New Member

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    After having a look under the car a couple of weeks ago I noticed the rear subframe is rusty. Most probably an MOT failure so I'm looking into swapping the whole thing out.

    Having seen a few S3 subframes going on eBay, does anyone know if they are compatible? I assume the control arms are longer to allow the S3's wider track? What about hubs and trailing arms?

    I'm hoping to build a completely reconditioned subframe assembly on a bench at work, then just swap out old for new one weekend.
     
  2. Platty

    Platty New Member

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    Anyone able to offer advice?
     
  3. <tuffty/>

    <tuffty/> Badger 5 Edition...Its all about the flow... Staff Member Moderator Audi S3

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    Fairly sure they are the same bit of kit... even though the S3 has wider arches the rears sit in quite a bit suggesting the rear track is no different (uses the same suspension components so no reason to believe this is different)

    I don't think S3 arms are a differnt length... have fitted KW tie bars to an A3 TQS before and they are not a different PN

    <tuffty/>
     
  4. jojo

    jojo Looking for Boost! Staff Member Moderator Team Daytona quattro Audi S3 Audi A6 Audi Avant Owner Group

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    All the rear subframes I've seen have rust on them, it's not an mot failure is it? Unless its about to drop off, I wouldn't disturb it personally.
     
  5. Platty

    Platty New Member

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    Thanks Tuffty, I'll go with an S3 item in that case.

    Jojo, there's more rust than subframe!

    I'll be fitting new brakes/discs and swapping out bushes anyway. It'll be easier to do it all on a bench then just swap the lot over.
     

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