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  1. #1

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    Algae in Intake Manifold Rxt 215

    So ive been tracing back an issue and I might have just narrowed it down to the original 2006 215 intercooler.

    Back story, the ski runs like garbage, and an idle surge is what im trying to trace. I have 2 skis so swapping parts and comparing is easy to do.

    I removed the intake manifold and intercooler and found some oil and what I believe i believe is algae on both the intercooler and the walls of the intake manifold. I tried to test the intercooler for leaks myself but im going to bring it to a radiator shop this coming week for official pressure test goals.

    Check out this gross intake mani, the green was pretty think on both the cooler walls as well.


    When i was originally tracking back the issue, I did remove the intake to SC elbow and did not see any water shooting out of the TB, but i may be thinking that I might not have seen it if it was leaking anyway ( engine is sucking air in)

    Has anyone else seen this and conclude the algae is from the IC? My second ski only had a small amount of oil and no algae what so ever.

    Thinking i might just get a gen 1 fizzle and call it a day.
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  2. #2
    SplishSplash's Avatar
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    Is that sand below the TB in the manifold?

    Yes you only see water in the elbow pipe if your using an external intercooler.

    Are you the original owner?

  3. #3

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    Quote Originally Posted by SplishSplash View Post
    Is that sand below the TB in the manifold?

    Yes you only see water in the elbow pipe if your using an external intercooler.

    Are you the original owner?
    It does look like some sand in in there too. How is that possible?
    I'm not the original owner

  4. #4
    GOT BOOST? Dockside's Avatar
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    Quote Originally Posted by zylinderkopf View Post
    It does look like some sand in in there too. How is that possible?
    I'm not the original owner
    My guess it was sunk or flipped and motor injested water. To get sand in there you would need a big leak in the intercooler.

  5. #5

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    Quote Originally Posted by Dockside View Post
    My guess it was sunk or flipped and motor injested water. To get sand in there you would need a big leak in the intercooler.
    So what looks like sand is actually oil, with a weird reflection.

  6. #6

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    Update: intercooler was in fact leaking, couldnt hold any pressure on the test bench

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