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Thread: Help

  1. #1
    Registered Member One Ring
    Join Date
    Jan 10 2019
    AZ Member #
    440865
    Location
    Ohio

    Help

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    New here, hope I'm posting in the right spot. I have an 05 a6 with the 4.2. Recently hit winter here and I've noticed when it's cold I have this rpm fluctuation. The flux is only while driving in high gear low rpm. Fluctuates about 100 rpms. I can hear and feel the change but only slightly as it's only 100 rpms, but none the less I feel the change, and when I put the car under power i dont seem to have any slippage like the torque converter may be going out. I've read some similar scenarios but not exactly and its ranged from a sensor to the torque converter. Just want to get some more opinions on my exact situation before throwing money at it. Any help at all is greatly appreciated. thanks !

    - - - Updated - - -

    And I forgot, once the car warms up to operating temp, the problem basically vanishes

  2. #2
    Established Member Two Rings a1dan_87's Avatar
    Join Date
    Mar 07 2018
    AZ Member #
    415178
    Location
    Utah

    Quote Originally Posted by Bladayy View Post
    New here, hope I'm posting in the right spot. I have an 05 a6 with the 4.2. Recently hit winter here and I've noticed when it's cold I have this rpm fluctuation. The flux is only while driving in high gear low rpm. Fluctuates about 100 rpms. I can hear and feel the change but only slightly as it's only 100 rpms, but none the less I feel the change, and when I put the car under power i dont seem to have any slippage like the torque converter may be going out. I've read some similar scenarios but not exactly and its ranged from a sensor to the torque converter. Just want to get some more opinions on my exact situation before throwing money at it. Any help at all is greatly appreciated. thanks !

    - - - Updated - - -

    And I forgot, once the car warms up to operating temp, the problem basically vanishes
    I think it's the torque converter. Our 07 A4 2.0t has the exact issue, the exact same as described.

    Im not sure if it's a guarantee lead to a bad torque converter, but that's been our take on it and the car has always done it. It'll do it in the cold, around 35-45mph and go away once the car is warm.

    Sent from my ZTE B2017G using Audizine mobile app

  3. #3
    Veteran Member Four Rings SinCityA6's Avatar
    Join Date
    Jul 17 2011
    AZ Member #
    78357
    My Garage
    '07 Mustang GT Tungsten Grey/Black
    Location
    Sin City, USA

    It is the torque converter and is a pretty well known issue. Mine does the same I 5th fear when cold. Only fix is to replace the converter.


    Sent from my iPhone using Audizine
    '09 C6.5 A6
    M: 3.0t, GIAC/AWE Stg II+, Roc*Euro Intake
    I: Soul Black, CF Trim, LEDs, Paddles, C7 Shifter, Escort 9500i, Blackvue Dashcam
    E: Ibis White, 15% Tint, Smoked Corners, Tinted Tails, S4 Rockers, S6 Blades, RS6 Grill, OEM Splitters (F/R)
    S: H&R Springs/Sways, Koni FSDs, Adams Rotors, Akebono Pads, SS Brake Lines, Paint Matched Calipers, Niche Misano M116 Wheels

  4. #4
    Veteran Member Four Rings SinCityA6's Avatar
    Join Date
    Jul 17 2011
    AZ Member #
    78357
    My Garage
    '07 Mustang GT Tungsten Grey/Black
    Location
    Sin City, USA

    Quote Originally Posted by SinCityA6 View Post
    It is the torque converter and is a pretty well known issue. The torque converter “locks” at about 2500 rpm that is why you are not feeling any slippage under load. Mine does the same in 5th gear when cold. Only fix is to replace the converter.


    Sent from my iPhone using Audizine



    Sent from my iPhone using Audizine
    '09 C6.5 A6
    M: 3.0t, GIAC/AWE Stg II+, Roc*Euro Intake
    I: Soul Black, CF Trim, LEDs, Paddles, C7 Shifter, Escort 9500i, Blackvue Dashcam
    E: Ibis White, 15% Tint, Smoked Corners, Tinted Tails, S4 Rockers, S6 Blades, RS6 Grill, OEM Splitters (F/R)
    S: H&R Springs/Sways, Koni FSDs, Adams Rotors, Akebono Pads, SS Brake Lines, Paint Matched Calipers, Niche Misano M116 Wheels

  5. #5
    Registered Member One Ring
    Join Date
    Jan 11 2019
    AZ Member #
    441190
    Location
    Las vegas nv

    help please.

    I ordered the front axle for my audi from Autohaus AZ,went to replace them and it looked like the front passenger side was too long spent about 5 hours trying to make it fit to no avail so i had to put the old one back in and still debating if i should spend the $1000 a piece to get it straight from Audi i do not want to take that route. the one i got from Autohaus $200 for both. has anyone ordered from Autohaus before and did the replacement work?

    2007 S6 stock.



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