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  1. #1

    Unhappy 2005 challenger water in oil

    i have a 2005 seadoo challenger jetboat that im looking at for a friend.the problem is that he says it has tried to overheat on him 3 times and would go into limp mode.he asked me to look at it today and there is definately a problem.there is water mixed with oil in the the small resivoir tank on the back and in different places in the back of the engine compartment.now im thinking blown head gasket or something in this area.my experiance is limited on the 4 stroke engines so if anyone could please give some insight or info it would be much appreciated


  2. #2
    Gone in 3.0 seconds... RXPT400's Avatar
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    Aside from the head gasket you can also have a leaking oil cooler and that is why you can see that the coolant is mixed with the oil. Pull the engine oil cooler out and blow water from one fitting to the other fitting and see if water drips out from the inner plates where the oil goes through. If it is leaking then that the problem right there.....

  3. #3
    ok thanks,could you tell where the oil cooler is located exactly on the engine?

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