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  1. #1
    New Member 1yammerslammer's Avatar
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    Apr 2007
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    23
    Location
    Winston Salem N.C
    Tractor
    zennoh YM1700

    Default Milky Oil

    Hi guys, I have a YM 1700 that I use very little, however I always check fluids before each use. One reason I always check is I know I have a small leak from the radiator, so I know I lose a little fluid each time. This time my oil had a greyish milky look to it. I changed oil and filter, but should I suspect head gasket? It has been a little over a year since I changed it, but only about 15 hours on the meter. Thanks ahead of time.

  2. #2
    Platinum Member Gizmo36's Avatar
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    Nov 2005
    Posts
    700
    Location
    East of Duewest S.C.

    Default Re: Milky Oil

    sounds like a head gasket.

  3. #3
    Veteran Member Tig's Avatar
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    Oct 2006
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    2,496
    Location
    The County, Ontario, Canada
    Tractor
    Kubota, B7100HST-D

    Default Re: Milky Oil

    All the oil was greyish? Or just on the breather cap?
    Steve

    The best things in life are not things.

  4. #4
    New Member 1yammerslammer's Avatar
    Join Date
    Apr 2007
    Posts
    23
    Location
    Winston Salem N.C
    Tractor
    zennoh YM1700

    Default Re: Milky Oil

    All of the oil was Greyish. Could it be from not changeing this year? Thanks guys.

  5. #5
    Silver Member
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    Aug 2005
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    161
    Location
    down the road a bit
    Tractor
    Kubota L5740 Kubota F3080

    Default Re: Milky Oil

    Milky oil is a sure sign that it got water in it and then mixed by running...

  6. #6
    Super Member kenmac's Avatar
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    Feb 2005
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    5,695
    Location
    The Heart of Dixie
    Tractor
    yanmar 3110D

    Default Re: Milky Oil

    could be condensation.. If you park outside rain water could have gotten in around shifter boot , etc, You could change oil & keep a check on it

  7. #7
    Platinum Member cowboy357's Avatar
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    Jun 2008
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    776
    Location
    SC Kansas

    Default Re: Milky Oil

    Quote Originally Posted by kenmac View Post
    could be condensation.. If you park outside rain water could have gotten in around shifter boot , etc, You could change oil & keep a check on it
    I Would tend to agree with Ken . Normally if it was a head gasket & You have anti freeze in the Radiator the Exhaust will put out a white smoke .

    You also Mention a Slow Leak in the Radiator, as Long as the leak is apparent from the Outside & Your oil Dipstick doesn,t show its overfull . I,d vote against anything like a Head gasket .

    Best to just Change the oil & Filter . & The filter a few more times after running it & see if it Clears up . If So I,d say Your good to go . Best of luck & let Us know what You find out . Bob

  8. #8
    Super Member California's Avatar
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    Jan 2004
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    5,649
    Location
    Sonoma County
    Tractor
    Yanmar YM240, YM186D, and another YM186D

    Default Re: Milky Oil

    And if you suspect a bad head gasket could be letting water into the cylinders, be sure to crank using the compression release to blow the water out before starting. Water is incompressible.

  9. #9
    New Member 1yammerslammer's Avatar
    Join Date
    Apr 2007
    Posts
    23
    Location
    Winston Salem N.C
    Tractor
    zennoh YM1700

    Default Re: Milky Oil

    Thanks guys, Im gonna give it a try and hope somehow water got in elsewhere.

  10. #10
    Veteran Member Tig's Avatar
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    Oct 2006
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    2,496
    Location
    The County, Ontario, Canada
    Tractor
    Kubota, B7100HST-D

    Default Re: Milky Oil

    I agree that it sounds like it was mixed in by running. Seems like too much to be simply condensation. Must be rain or coolant. When you change the oil watch for water/coolant puddled in the bottom of the pan. Loosen the drain plug and see what dribbles out first. Water, coolant or grey oil.
    A couple things I have notice and done when dealing with leaky head gaskets (on gas engines).
    1) After a half hour of running the exhaust has a small white puff (steam?) which dissipates quickly. Hold your hand in the puff for a couple seconds and then smell your hand. Is it sweet like antifreeze?
    2) Starting with a cold engine. (ot antifreeze is very damgerous) Leave the rad cap loose to prevent the coolant pressure from building as the engine warms up. That should reduce or eliminate the coolant puff at the exhaust. I had to drive a car 300 miles like this once, just to get home on one tank of antifreeze.
    Steve

    The best things in life are not things.

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