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  1. #1
    Join Date
    Jul 2016
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    United States
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    19
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    MD200 oil blow by



    Hi group,
    I'm noticing our MD-200-50 (2006 model I believe) is spraying out an increasingly black oil trail down the top of our box truck, and wondering if there are any maintenance strategies to reduce this or if an engine rebuild is coming down the line. There's about 10,000 hours on the unit. It's not yet at an amount that seems too alarming, but it's definitely getting worse. Engine oil level seems to be holding pretty well.
    Thanks.



  2. #2
    Join Date
    Feb 2009
    Location
    telford
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    33

    Re: MD200 oil blow by

    Steam it off,could be rear oil seal?

  3. #3
    Join Date
    Aug 2011
    Location
    Canada
    Posts
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    15

    Re: MD200 oil blow by

    Engine oil level seems to be holding pretty well.
    Doesn't take much oil to make a large mess.

    wondering if there are any maintenance strategies to reduce this
    If the oil is coming out the exhaust, the damage is done. A compression test or cylinder leakdown test may give you some insight.

  4. #4
    Join Date
    Dec 2007
    Location
    Melbourne
    Posts
    349
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    18

    Re: MD200 oil blow by

    it will be the oil drain hose, grab hold of it, if you can twist it around, that'll be it.

    Its a case of bottom panel off, oil drain, chop out a piece of frame to get a spanner in , one out one in.

  5. #5
    Join Date
    Jul 2016
    Location
    United States
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    Re: MD200 oil blow by

    Thanks for these replies. Forgot to say yes, it's coming out the exhaust. There is a fairly good cloud of black smoke at startup. Guess I should have it compression tested.

  6. #6
    Join Date
    Aug 2008
    Location
    Lincolnshire
    Posts
    13
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    Re: MD200 oil blow by

    Sounds more like a soot trail to me, are you 100% that it is oil?

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