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any posts / how tos to replace the seals on rear calipers?

epox Sep 21, 2013

  1. epox

    epox Active Member

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    as post, just nacked the rear seals, or any good places to get calipers?

    thanks
    mark
     
  2. S3quatt

    S3quatt Flat Oot like a ducks Foot VCDS Map User

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    Never seen a how to, but they are easily done.

    You have to screw the piston out & will usually find some corrosion in the back of the original seals.
    A good clean out with a tooth brush & scriber if need be, followed by a blast through with contact / brake cleaner.
    The pistons themselves should easily clean up with a wire brush etc.
    You can get the seals through the Audi parts dept & re-assemble using silicone grease.

    Then its the usual process of fitting & bleeding.
     
  3. JimS3

    JimS3 Active Member

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    Got my seals and new guide pins / boots from here, about a quarter of the price of the dealer:

    Audi A3/S3 Brake Discs - Audi A3/S3 Brake Pads
     
  4. epox

    epox Active Member

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    thanks, is it 41 or 38 seals for the s3?

    mark
     
  5. chris99

    chris99 s3 driver

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    original PN is 8D0698671.. 38mm as i remember, but can check in a few hours as i have a spare kit around
     
  6. chris99

    chris99 s3 driver

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    38mm is the one you need for S3
    payed much more for an OEM repair kit which is also TRW :)
     
  7. JudderMan

    JudderMan Well-Known Member

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    So is the 41mm for the A3 (non S3)? I'm tempted to replace the seals as I just can't justify the cost of new calipers if a seal kit is a fiver...
     

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