Cummins Marine Diesel Repower Specialists › Forums › Cummins Marine Engines › Oil Leak at turbo after installing CCV system

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  • April 16, 2024 at 2:16 pm #162265

    Ron Harmon
    Participant
    Vessel Name: Fish Trap
    Engines: cummins 330 6BTA
    Location: Gulfport Ms
    Country: US

    Hello,

    I just recently purchased an Enviro Crankcase ventilation kit. After installing my Cummins 370 developed an oil leak (slobber) at the opposite side of the turbo from the air cleaner. The air cleaner itself also shows of some oil saturation. Is this a normal effect from the ccv? Everything else seems perfect, lots less smoke after hours of trolling also. Thanks for any advice.Ā 

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  • April 21, 2024 at 11:59 am #162463

    Ron Harmon
    Participant
    Vessel Name: Fish Trap
    Engines: cummins 330 6BTA
    Location: Gulfport Ms
    Country: US

    Old engine Pics

    1. 12 quarts cold at dock.
    2. Engine previously vented from the vent tube directly into the bilge via a short hose.
    3. Never have removed the air side for a good cleaning.Ā 

     

    Tony, thanks a bunch for taking a look at it. Seems from above conversation just may need to pull the turbo and take it in for service. I was thinking a seal, but have little knowledge of the units inner workings.

    April 20, 2024 at 5:59 pm #162451

    Tony Athens
    Moderator
    Vessel Name: Local Banks
    Engines: QSB 6.7 550 HP
    Location: Oxnard, CA
    Country: USA

    Yes-pics suck, but I kinda see that things areĀ  generally OK as to the install..

    1——-Exactly how much oilĀ  (in quarts) is in your oil pan, sitting at the dock engine off ?Ā Ā 

    2——–where & howĀ  did you engineĀ  “vent” before ?

    3——- Have you ever removed the air side of the turbo housing for a through clean up inside?

     

    4——-You could have lost your turbo seal by coinkidink?Ā  Ā The back side of yourĀ  turbo’s air sideĀ  Ā and gear below it looks like its been leaking oil for quiteĀ  a while

    April 20, 2024 at 2:30 pm #162448

    Ron Harmon
    Participant
    Vessel Name: Fish Trap
    Engines: cummins 330 6BTA
    Location: Gulfport Ms
    Country: US

    Old engine Pics

    Picture of engine before install. Tony, please note I have not had to add oil and the boat runs 20 to 30 miles daily. Nothing is showing in the puke bottle. Engine compartment is staying way cleaner except for the turbo dribble. Thanks!

    April 20, 2024 at 2:21 pm #162439

    Ron Harmon
    Participant
    Vessel Name: Fish Trap
    Engines: cummins 330 6BTA
    Location: Gulfport Ms
    Country: US

    CCV Leaking oil at turbo

    Hi Tony, trying to send pictures. Not the best pics but note the new air cleaner is soaking it up also.Ā 

    April 20, 2024 at 12:54 pm #162437

    Ron Harmon
    Participant
    Vessel Name: Fish Trap
    Engines: cummins 330 6BTA
    Location: Gulfport Ms
    Country: US

    Current pictures

    Hi Tony,

    Please note I’m not having to add any oil and she runs daily as a commercial vessel.

    April 16, 2024 at 4:08 pm #162270

    Tony Athens
    Moderator
    Vessel Name: Local Banks
    Engines: QSB 6.7 550 HP
    Location: Oxnard, CA
    Country: USA

    Let me good pics of the entire installation on the engine and the Envirovent

     

    Ā Do you have pics of your engine before you installed the CCV?

     

     

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