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  1. #1
    Active Member Three Rings auditrackspeed's Avatar
    Join Date
    Jun 17 2014
    AZ Member #
    255246
    Location
    Maryland

    How to replace front crank seal 2.7

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    Already have the front end off, oil coming right out of the crank hole . How do you remove the bolt that holds on the seal. Thanks

  2. #2
    Veteran Member Four Rings Zba's Avatar
    Join Date
    Nov 05 2009
    AZ Member #
    50303
    Location
    Denver

    Ummmm, the bolt holds the crank sprocket...

    You need the crank lock pin or a good impact

  3. #3
    Veteran Member Four Rings
    Join Date
    Aug 09 2012
    AZ Member #
    98366
    My Garage
    2013 S4 phantom pearl
    Location
    IL

    Quote Originally Posted by auditrackspeed View Post
    Already have the front end off, oil coming right out of the crank hole . How do you remove the bolt that holds on the seal. Thanks
    there's a couple simple ways to do it. way I'm most comfortable with:

    turn engine over by hand to TDC
    install crank lock pin
    remove crank sprocket bolt. can't remember for sure, but I believe it's a 24 or 23 MM socket
    remove old seal, install new
    you're technically supposed to replace the crank sprocket bolt as its a stretch bolt. some reuse it. I'd replace it. it's only about $12 at a local world pac for me
    Last edited by das4; 01-31-2016 at 03:47 PM.

  4. #4
    Senior Member Two Rings 4LiterBeater's Avatar
    Join Date
    Mar 15 2015
    AZ Member #
    320504
    My Garage
    B5 S4
    Location
    Akron, Ohio

    Im looking to rent the installation tools bc I want to do it once, and correctly. Make sure you check that spider hose and PCV system bc these seals are not supposed to leak and generally do when there is a build up of crank pressure. So make sure that the breather housing is clean and clear and the PCV valve is not shot like mine was. Also read that the suction pump jet will cause a similar failure.

  5. #5
    Veteran Member Four Rings xalents23's Avatar
    Join Date
    Oct 26 2011
    AZ Member #
    83081
    Location
    CA

    Remember to torque the stretch bolt back to OEM spec. 200nm (150 foot pounds) and an extra half turn to stretch the bolt. And have a nice long breaker bar to remove and install the stretch bolt. Good luck it's not that hard of a job. Just put that seal on properly. You don't want to have it leak and have to remove the motor twice. The link below should give you a good idea on the removal and install process.

    http://bd8ba3c866c8cbc330ab-7b26c6f3...34-10-2012.pdf

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