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  1. #1
    Live Fast wave15stx's Avatar
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    2012 rxtx 260 oil in the antifreeze

    The other day at wot I noticed rpms where 200 short for the temp it was after a few seconds running wot rpms started dropping from 8140 to 7800 low oil pressure light came on shut it down and noticed I had oil in the antifreeze got it home plugs looked ok did a compression test and it was elevated 150-145-140 range after opening antifreeze container lots of pressure released and the oil with antifreeze mix went back into the crankcase tested compression a couple more times and now it's at 135-125-130 I noticed about a month ago I had small black particles under my antifreeze cap I also noticed a buddy of mine has got the same. Debating what I should do I got a warranty on the ski.could it be head gasket water pump seal? Before this came about I changed out the oil cooler it was leaking around the seam and the one I used pressure tested good what do u guys think any advice would b appreciated


  2. #2
    ou812's Avatar
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    Blown oil cooler

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  4. #3
    Bob 1tommygunner1927's Avatar
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    The black specks in the coolant is the black coating of the head gasket.

  5. #4
    Live Fast wave15stx's Avatar
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    Quote Originally Posted by ou812 View Post
    Blown oil cooler
    Why u say oil cooler?

  6. #5
    imp0ster's Avatar
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    head gasket. I've never seen an oil cooler blow. Won't say it can't happen but there is a major difference between black specs and oil

  7. #6
    ou812's Avatar
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    well, you did say oil in the antifreeze and thats a possible blown oil cooler. I have seen a couple do that on closed loop. the Black flakes are head gasket material.

  8. #7
    ou812's Avatar
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    yes there is a difference between the two, but he mentions both, I'm referring to oil in the antifreeze.

  9. #8
    ou812's Avatar
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    Quote Originally Posted by wave15stx View Post
    Quote Originally Posted by ou812 View Post
    Blown oil cooler
    Why u say oil cooler?
    the oil pressure is greater than coolant pressure so when she blows it goes through the coolant line. my buddies 08 rxt X did this exact thing. Replaced the oil cooler and it was good to go.

  10. #9
    Live Fast wave15stx's Avatar
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    And the antifreeze would b in the oil?

  11. #10
    ou812's Avatar
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    no, no, no. Oil is in the antifreeze. Isn't that what you said? my friend had the same exact issue with the flakes and oil in the antifreeze. He had to flush the coolant several times to get all the oil out. He kept filling his oil and didn't know where it was going. It wasn't in the hull and that's when he noticed the coolant bottle had oil in it. He got the low oil warning and everything just like you.

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