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  1. #1
    Veteran Member Three Rings davidlizard's Avatar
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    May 01 2008
    AZ Member #
    28282
    My Garage
    2004 A4 ultrasport 6speed
    Location
    Winter

    Strange leak around the exhaust manifold to turbo gasket...

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    Hi guys,

    Yesterday, I've noticed a strange leak around the exhaust manifold to turbo gasket. It looked and smelled like oil. (I smelled the fumes as the manifold was getting hot)
    In normal conditions, I know that there is no reason for oil to be there. But please look at the following and let me know you opinion.

    - I do not use my car for almost tree months.
    - I start the car every morning to take it out the workshop and put it back inside each night.
    - For the last 3 weeks, the car had a missfire issue and a flashing cell ( I tought a coilpack was done)( the idle was a lot worst than juste un single coilpack issue)
    - yesterday, I've replaced the 4 coilpacks for brand new ones and the problem was still there.
    - I thought that maybe the spark plugs was carbonated by the repetitive cold statup wihtout ever getting at normal operating temperature.
    - I've cleaned up the spark plugs, and the problem was solved, I was right.

    Could it be a good theory that all the time I've started my engine with almost no sparks, a certain amount of oil has accumulate in the chamber without burning
    due the the missing fire and that this oil then was thrown in the exhaust manifold, and finally leak by the original gasket that I assume is almost done?

    The engine is running fine, no smoke from the exhaust, good idle now, pulls as it should, nothing I've noticed wrong.

    Here is a picture!



    Thank you for shearing your opinion!!
    Unitronic stage 2+ / Borg Warner K04 / Milltek / ATP 3" testpipe / Racetec FMIC / Forge TIP / Carbonio / Forge DV / 386cc / 034 25mm rear sway /Joey moded / Podi / JHM 350mm BBK & SS lines / STaSIS street sport/ Michelin Pilot Super Sport / ECS Tuning lightweight flywheel + RA4 clutch kit /
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  2. #2
    Veteran Member Three Rings davidlizard's Avatar
    Join Date
    May 01 2008
    AZ Member #
    28282
    My Garage
    2004 A4 ultrasport 6speed
    Location
    Winter

    bump
    Unitronic stage 2+ / Borg Warner K04 / Milltek / ATP 3" testpipe / Racetec FMIC / Forge TIP / Carbonio / Forge DV / 386cc / 034 25mm rear sway /Joey moded / Podi / JHM 350mm BBK & SS lines / STaSIS street sport/ Michelin Pilot Super Sport / ECS Tuning lightweight flywheel + RA4 clutch kit /
    034 engine & trans mounts / 034 snub mount / 034 front & rear link / Apikol rear diff mount / JHM solid short shifter

  3. #3
    Veteran Member Four Rings texasboy21's Avatar
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    Apr 01 2007
    AZ Member #
    16891
    My Garage
    1983 Chevy Silverado
    Location
    houston texas

    Could just be an old gasket. Ecs has a kit for $18 that includes all the gaskets and hardware.
    2019 SQ5 Prestige
    2016 S3 Prestige - Eurodyne Maestro ECU + TCU, REVO downpipe, air box mods, Bilstein B12 w/ EuroSport camber kit, 034 RCO + RSB
    2005.5 A4 2.0t "Stage 3" - Pag Parts rods/inlet pipe/FMIC/manifold/downpipe + Borg Warner EFR 6758 + Stasis cup kit + StopTech 332mm BBK + Eurodyne Maestro + Eurodyne Boost Manager Plus

  4. #4
    Veteran Member Three Rings davidlizard's Avatar
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    May 01 2008
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    My Garage
    2004 A4 ultrasport 6speed
    Location
    Winter

    I guess changing this gasket is almost as long as changing the whole torbo... In that case I would consider replacing it for a K04...
    Unitronic stage 2+ / Borg Warner K04 / Milltek / ATP 3" testpipe / Racetec FMIC / Forge TIP / Carbonio / Forge DV / 386cc / 034 25mm rear sway /Joey moded / Podi / JHM 350mm BBK & SS lines / STaSIS street sport/ Michelin Pilot Super Sport / ECS Tuning lightweight flywheel + RA4 clutch kit /
    034 engine & trans mounts / 034 snub mount / 034 front & rear link / Apikol rear diff mount / JHM solid short shifter

  5. #5
    Established Member Three Rings CHARLES A4's Avatar
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    Jan 31 2012
    AZ Member #
    87475
    My Garage
    Turbo integra 521hp
    Location
    queens ny

    Clean it and see if it comes back
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  6. #6
    Veteran Member Three Rings LEGO's Avatar
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    Aug 20 2007
    AZ Member #
    20438
    Location
    SEATTLE, WASHINGTON

    There's no way changing that gasket takes as long as changing the turbo. To change the gasket, simply take out the 3 bolts holding the manifold to the turbo, remove the gasket, push a new one in and tighten the bolts. Replacing the turbo is a bit more complex than that.
    1998 A4 1.8TQM MTM K04 5.82/034 415CC BT TUNE/GENESIS 415CC INJECTORS
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  7. #7
    Veteran Member Four Rings texasboy21's Avatar
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    Apr 01 2007
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    1983 Chevy Silverado
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    houston texas

    Quote Originally Posted by LEGO View Post
    There's no way changing that gasket takes as long as changing the turbo. To change the gasket, simply take out the 3 bolts holding the manifold to the turbo, remove the gasket, push a new one in and tighten the bolts. Replacing the turbo is a bit more complex than that.
    This, nearly the same steps but much less complex.
    2019 SQ5 Prestige
    2016 S3 Prestige - Eurodyne Maestro ECU + TCU, REVO downpipe, air box mods, Bilstein B12 w/ EuroSport camber kit, 034 RCO + RSB
    2005.5 A4 2.0t "Stage 3" - Pag Parts rods/inlet pipe/FMIC/manifold/downpipe + Borg Warner EFR 6758 + Stasis cup kit + StopTech 332mm BBK + Eurodyne Maestro + Eurodyne Boost Manager Plus

  8. #8
    Veteran Member Four Rings Charles.waite's Avatar
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    Jun 27 2011
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    77478
    Location
    Seattle, WA

    Ideally you should clean the mating surfaces too, but yea probably not strictly necessary.

    As others have said though, clean it up and see if it comes back.
    -CP
    2008 2.0t S-Line Ti 6MT Avant
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  9. #9
    Active Member Two Rings IgsA4Q's Avatar
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    Jan 21 2013
    AZ Member #
    107946
    My Garage
    1998 Toyota RAV4 / 1998 Audi A4 Qauttro
    Location
    St. Joseph/Kansas City MO

    Old thread.....but clean what up? Just degreaser? Thanks

    Sent from my LM-G820 using Audizine mobile app
    "Curiosity is what makes things happen"

  10. #10
    Veteran Member Four Rings A4SoftWalker's Avatar
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    May 13 2008
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    28744
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    Avant 03A4 1.8TQMS, 05V70R, BMW535i
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    NoCal - EBay

    Quote Originally Posted by IgsA4Q View Post
    Old thread.....but clean what up? Just degreaser? Thanks

    Sent from my LM-G820 using Audizine mobile app
    If there was a leak for a long time there might be a need to use something a little rougher to get rid of any carbon deposits that might prevent the surfaces from mating properly. However the gasket is supposed to fill in for any uneven areas.

    There should not be any oil or liquids in this area unless there is a leak going down there from somewhere else.
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  11. #11
    Veteran Member Four Rings A4SoftWalker's Avatar
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    May 13 2008
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    Avant 03A4 1.8TQMS, 05V70R, BMW535i
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    NoCal - EBay

    Looking at the original photo from 2012 it seems the OP had a coolant leak. Deduced from the dried pink substance around that area.
    'SOFTWALKER MODS
    Do U have a Bentley/Dealer Manual & Tools to work on UR car properly?
    Hit-or-miss expecting manna to fall from AZ?
    Personal Motto>Walk Softly Carry a Big Stick. YEAH I'M BACK!
    BUILD? Click & be Amazed!
    Avant>Sedan! Click

  12. #12
    Active Member Two Rings IgsA4Q's Avatar
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    Jan 21 2013
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    1998 Toyota RAV4 / 1998 Audi A4 Qauttro
    Location
    St. Joseph/Kansas City MO

    Quote Originally Posted by A4SoftWalker View Post
    Looking at the original photo from 2012 it seems the OP had a coolant leak. Deduced from the dried pink substance around that area.
    Nice, seems you are right! Thanks for the previous reply also.


    Sent from my LM-G820 using Audizine mobile app
    "Curiosity is what makes things happen"

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