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

Discussion in 'A3/S3 Forum (8L Chassis)' started by epox, Sep 21, 2013.

  1. epox
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    epox Active Member

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    [Sep 21, 2013]
    as post, just nacked the rear seals, or any good places to get calipers?

    thanks
    mark
    #1
  2. S3quatt
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    S3quatt Flat Oot like a ducks Foot

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    [Sep 21, 2013]
    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.
    #2
  3. JimS3
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    JimS3 Active Member

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    [Sep 21, 2013]
    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
    #3
  4. epox
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    epox Active Member

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    [Sep 21, 2013]
    thanks, is it 41 or 38 seals for the s3?

    mark
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  5. chris99
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    chris99 s3 driver

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    [Sep 21, 2013]
    original PN is 8D0698671.. 38mm as i remember, but can check in a few hours as i have a spare kit around
    #5
  6. chris99
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    chris99 s3 driver

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    [Sep 21, 2013]
    38mm is the one you need for S3
    payed much more for an OEM repair kit which is also TRW :)
    #6
  7. JudderMan
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    JudderMan Active Member

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    [Sep 21, 2013]
    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...
    #7

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