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  1. #1
    Active Member One Ring Quincinator's Avatar
    Join Date
    Sep 09 2021
    AZ Member #
    625512
    Location
    Ohio :(

    Slave cylinder or clutch? That is the question.

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    I'll preface this by saying I promise to update the thread as a figure out the issue. So many thread dead ends.

    I recently purchased a 2006 Audi S4 Avant (6 speed M obviously). The car has 120,xxx and I put 2100 on since I bought it. Not going to lie I have been testing the capabilities now and then, not necessarily beating it though.

    Last night I was coming home from town and went to pass a diesel truck that was 'rolling cOaL" on me. Well it turned into a bit of a race. I was cognizant of my shifting/clutch work and rpms (driving m/t since I could drive) and everything was going as it should.

    ISSUE AND SYMPTOMS::
    Shifting from 3rd to 4th at or about redline I lost my clutch pedal. It was at the floor and staying there. I coasted, considered what gear I needed to Rev match into to get home.

    While I was coasting in neutral I worked my foot under the pedal and got the pedal to return. I pumped it a few times and it seemed to work, with some ABS like feedback and faint sound. I was able to shift through all gears home. Coasting in gear (foot off the gas) I observed the rpms drop to idle when the clutch pedal was depressed (as they should).
    I gave it some "pulls" to see if there was slippage did not seem to notice any.
    Got home 3 miles later, parked it turned it off in neutral. After restarting it I cannot put the car in gear while running.

    SYMPTOMS:
    -Initially clutch pedal dropped to floor
    -Able to be shifted up and down after
    -doesnt seem to slip
    -ABS vibration type feedback/noise from pedal when driving
    -seemingly weak clutch pedal now
    -will not go into gear while running

    KNOWN:
    -Good service history probably original slave cylinder and clutch
    -car made it home after incident
    -break fluid reservoir stayed full

    Thank you in advance for any help or discussion! 20210903_150038.jpg

    Sent from my SM-N986U using Audizine Forum mobile app

  2. #2
    Active Member One Ring
    Join Date
    Oct 31 2017
    AZ Member #
    409167
    Location
    buford

    I has similar symptoms when i slave cylinder craped out. I would replace slave cylinder and go from there.

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