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  1. #1

    Flushing w/o running the engine?

    My Virage ignition took a dive before I could flush it.
    Is there anything I can do to flush it w/o it running?


  2. #2
    I hear it's bad.

  3. #3

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    Quote Originally Posted by thehemi View Post
    My Virage ignition took a dive before I could flush it.
    Is there anything I can do to flush it w/o it running?
    nope, I flush mine with engine off, and got a whole engine fill with water.

  4. #4

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    you will need to disconnect or re route your water hose that goes from the top of the the pipe to the middle , that is what puts water in the exhaust system , this will allow you to flush the engine part of the cooling system but any water in the exhaust pipe will still be in there

  5. #5
    Polarisitis loonatik's Avatar
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    Just a thought, Not a proven technique!
    Wonder if you could just hook up a wet/dry vac to the exhaust while flushing

  6. #6
    Can you flush while the engine is cranking -- but not starting?

  7. #7
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by Bone1050 View Post
    you will need to disconnect or re route your water hose that goes from the top of the the pipe to the middle , that is what puts water in the exhaust system , this will allow you to flush the engine part of the cooling system but any water in the exhaust pipe will still be in there
    If you clamp off or disconnect the small diameter water hose that runs from one place on the exhaust pipe to another, then there is no water injection into the exhaust. That allows you to flush the engine water jacket without the engine running.

    Make sure you pinch off the correct hose

    Item 11 in the attached diagram.

    Note: Make sure you re-connect the water injection before you go riding
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  8. #8
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by thehemi View Post
    Can you flush while the engine is cranking -- but not starting?
    NO.

    Disconnect water injection into the exhaust, or have the engine running. Those are the only two options.

  9. #9
    Quote Originally Posted by K447 View Post
    If you clamp off or disconnect the small diameter water hose that runs from one place on the exhaust pipe to another, then there is no water injection into the exhaust. That allows you to flush the engine water jacket without the engine running.
    Excellent news, thanks. It could take me awhile to troubleshoot
    my ignition issue, so I wanted to flush any part of it that I could.

    So even though the water inlet port is on the top of the engine,
    it doesn't build up in the engine unless it is fed through exhaust?

  10. #10
    Quote Originally Posted by K447 View Post
    If you clamp off or disconnect the small diameter water hose that runs from one place on the exhaust pipe to another, then there is no water injection into the exhaust. That allows you to flush the engine water jacket without the engine running.
    That worked great. I was able to flush with no water in the motor.

    Although now I'm curious about the water flow during normal operation?
    I detached the water injection hose, however, no water came out of it?
    I assume there's no pump so how would a running engine differ from this?

    I suppose water gets directly injected into the exhaust via that hose and
    the stream of air leaving the cylinders during normal operation keeps that
    water from going backwards into the motor? Is that right?

    Sorry for going a little off-topic, but I do enjoy learning. Hopefully I don't
    sound too naive. I usually learn the best when I'm repairing something.

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