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View Poll Results: Report Failure of S-Tronic Transmission

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  • B8 (2010-2012) S4; Under 20k Miles; No Issues

    14 2.23%
  • B8 (2010-2012) S4; Under 20k Miles; Problems

    12 1.91%
  • B8 (2010-2012) S4; Over 20k Miles; No Issues

    124 19.78%
  • B8 (2010-2012) S4; Over 20k Miles; Problems

    115 18.34%
  • B8.5 (2013+) S4/S5; No Issues

    292 46.57%
  • B8.5 (2013+) S4/S5; Problems

    70 11.16%
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  1. #1
    Established Member Two Rings
    Join Date
    Feb 16 2011
    AZ Member #
    71050
    Location
    Baltimore, MD

    2010 S4 mechatronic replaced at 45k miles

    I noticed the signs of a bad mech unit probably around 30k miles, but it wasn't that big of a deal at the time for it happened once in a blue moon.

    The issue was getting worse as the car put on more miles. I had the infamous rear end bang when coming to a stop only after the car was warmed up or hot, or in traffic as well as the banging between P-R-N-D and vice versa when stopped after a hot day.

    I ended up being able to replicate it for the dealer and after a few weeks they had it replaced at ~45k all under warranty.

    I was TD1 at the time (APR stage 2, custom exhaust, intake, etc), but dealer replaced under warranty anyway as per direction from Audi of America.

    Car has been smooth as silk shifting ever since the replacement, and unlike a few others, I did not lose my DSG fart.

  2. #2
    Veteran Member Four Rings
    Join Date
    Mar 01 2006
    AZ Member #
    10621
    Location
    Kitchener, ON

    Quote Originally Posted by yourownhero View Post
    2010 S4 mechatronic replaced at 45k miles

    I noticed the signs of a bad mech unit probably around 30k miles, but it wasn't that big of a deal at the time for it happened once in a blue moon.

    The issue was getting worse as the car put on more miles. I had the infamous rear end bang when coming to a stop only after the car was warmed up or hot, or in traffic as well as the banging between P-R-N-D and vice versa when stopped after a hot day.

    I ended up being able to replicate it for the dealer and after a few weeks they had it replaced at ~45k all under warranty.

    I was TD1 at the time (APR stage 2, custom exhaust, intake, etc), but dealer replaced under warranty anyway as per direction from Audi of America.

    Car has been smooth as silk shifting ever since the replacement, and unlike a few others, I did not lose my DSG fart.
    Bit curious on this...
    So for me it kind of started especially in Dynamic mode. Is it limited to 1-2 and 2-1 which it occasionally does, I noticed going 3-4 in Auto mode recently.
    2023 Audi S3 / Stronic // Daytona Grey

    Past
    2018 VW Golf R // 6 MT // Deep Black Pearl
    2010 Audi S4 // Stronic // Phantom Black
    2001 Audi S4 // 6 MT // Light Silver Metallic

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