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Thread: Oil leak?

  1. #1
    Veteran Member Four Rings Mr.Audi's Avatar
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    Oil leak?

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    Keep getting these spots under the injectors
    Not sure if it's oil
    Def no fuel smell

    Valve cover seem like it could stand to be replaced

    But how would/does it jump that far out?


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  2. #2
    Active Member Two Rings
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    Quote Originally Posted by Mr.Audi View Post


    Keep getting these spots under the injectors
    Not sure if it's oil
    Def no fuel smell

    Valve cover seem like it could stand to be replaced

    But how would/does it jump that far out?


    Sent from ....
    Those are not fuel injectors, they are fuel temp sensors for the high pressure fuel system. The injectors are under the intake manifold. Dont know why they are leaking tho. Strange.

  3. #3
    Active Member Two Rings
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    Looks like mouse piss and poop I had the same problem this winter... sometimes they will jump up into your engine bay when it is cold to stay warm... I garage my Car and they still get in.

    Sent from my SM-G920V using Tapatalk

  4. #4
    Veteran Member Four Rings lettuce's Avatar
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    Quote Originally Posted by Bruce G. View Post
    Those are not fuel injectors, they are fuel temp sensors for the high pressure fuel system. The injectors are under the intake manifold. Dont know why they are leaking tho. Strange.
    Hah, that's actually not what they are either. They're cam actuators to control the lobe state of our variable-lift cams. Here's a video showing how the whole system works. You can see these actuators fade in around the 1:55 mark.

    B8 A4 - Eurodyne-tuned F23L - 12.6 @ 107 on 93

  5. #5
    Veteran Member Four Rings Mr.Audi's Avatar
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    Quote Originally Posted by cb4rings View Post
    Looks like mouse piss and poop I had the same problem this winter... sometimes they will jump up into your engine bay when it is cold to stay warm... I garage my Car and they still get in.

    Sent from my SM-G920V using Tapatalk

    This isn't what's happening
    I def know the difference
    This is engine related, lol


    Quote Originally Posted by lettuce View Post
    Hah, that's actually not what they are either. They're cam actuators to control the lobe state of our variable-lift cams. Here's a video showing how the whole system works. You can see these actuators fade in around the 1:55 mark.

    Thanks
    I'm going to take a look

    Any thoughts on what it maybe an where or how to address it?
    B8.5 S-line prestige
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  6. #6
    Veteran Member Four Rings Mr.Audi's Avatar
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    No sound??? Lol


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  7. #7
    Veteran Member Three Rings
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    If the PCV valve fails and allows boost pressure into the crankcase you may get the type of oil splatter you are seeing. Be aware we don't ave a normal valve cover. You can't just pop it off and redo the sealant; the cover also holds the cams in place.
    VMR 710's, APR software, Eurocode HFC

  8. #8
    Veteran Member Four Rings Mr.Audi's Avatar
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    Quote Originally Posted by van462 View Post
    If the PCV valve fails and allows boost pressure into the crankcase you may get the type of oil splatter you are seeing. Be aware we don't ave a normal valve cover. You can't just pop it off and redo the sealant; the cover also holds the cams in place.
    Man thanks for the heads up

    I noticed some oil around the pcv also (on top the vc , has a twist cover?)
    Just looked wet/nothing puddled or anything
    B8.5 S-line prestige
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  9. #9
    Established Member Two Rings casualalfredo's Avatar
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    you under warranty?
    currently 2015 S3 Prestige Monsoon Grey Metallic

    ACNA

  10. #10
    Veteran Member Four Rings Mr.Audi's Avatar
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    Quote Originally Posted by casualalfredo View Post
    you under warranty?
    I've got 85k on it
    Prob not lol
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