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  1. #1
    Active Member Two Rings
    Join Date
    Feb 03 2017
    AZ Member #
    392382
    My Garage
    2008 Audi A6 3.2
    Location
    Lehi/Utah

    Oil leak on single valve cover bolt

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    I have a single bolt on my valve cover that is slowly leaking oil. No other bolts are leaking and there is no leak from the valve cover gasket. What solutions are there for fixing the single bolt issue?

  2. #2
    Senior Member Two Rings
    Join Date
    May 23 2016
    AZ Member #
    373689
    Location
    Edmond, OK

    is it the original valve cover gaskets? have you tried re-torquing the bolts to spec?
    07 A6 3.2- Out & In- Morimoto 5500k & Nokya 2500k, DeAutoLED Reverse, LP, & Footwells, Ziza Full Interior, 10" lo-pro Pioneer, Audi Aluminum Pedals
    Drivetrain & Suspension- Stoptech X-Drilled & Sport Pads, ST X-Coilovers, Hacked Airbox with aFe, Resonator Delete

    "What is best in life? -Kill your enemies. See them driven before you. And hear the lamentation of their women" Conan the Barbarian

  3. #3
    Active Member Two Rings
    Join Date
    Feb 03 2017
    AZ Member #
    392382
    My Garage
    2008 Audi A6 3.2
    Location
    Lehi/Utah

    We just recently purchased the car so I am not 100% sure if it is the original gasket. I'll try re-torquing the bolt. Do you know the torque spec?

  4. #4
    Established Member Two Rings juniorcruzer's Avatar
    Join Date
    Sep 28 2014
    AZ Member #
    285681
    My Garage
    2007 Suburban
    Location
    Center City Minnesota

    There is a thread in here that someone had the same issue. Ended up being the o-rings that go between the upper and lower part of the head. It is a BIG job.

    https://www.audizine.com/forum/showt...oil+leak+spark

    Jon
    2010 S4 3.0T, chipwerks stage I
    2010 A6 3.0T, APR Stage 2+, Roc Euro Intake, VMR V710 18x9.5 HyperSilver, 30% tint, A3 clear marker lights, LED Reverse lights, RS6 Grill



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