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  1. #1

    08 rxpx impeller frozen to impeller shaft

    Hi all,

    I have a 2008 rxpx with about 80 hrs on it. My second season with ski. I am third owner. Noticed bearing whine first ride this year. Pulled pump and opened up and definitely has water intrusion. Problem is I cannot get impeller broken loose from shaft. Shop manual calls for heat and clockwise rotation. I have tried soaking in penetrating oil, had impeller hub red hot. I twisted a 12 MM allen socket off. Tried another 12mm and cannot get it to budge. Any tricks? Anything I am missing? Has anyone ever had/tried to cut an impeller off? Trying to not have to buy another pump housing...


  2. #2
    Its counterclockwise and use a breaker bar

  3. #3
    Impellars can be a bear to get off. A 12mm Allen socket on a breaker bar will break it loose

  4. #4
    Jhubbs255's Avatar
    Join Date
    Jul 2018
    Vandalia Ohio
    I use a 4 foot breaker bar

  5. #5
    Had it soaking in CLR for a few days before my post yesterday. Checked today and it looks like shaft had rusted and mushroomed over the chamfer on impeller. Could not see the chamfer before. About 2/3 of chamfer is apparent now. Gonna soak till Saturday when time allows another torque/heat session. Will let know outcome. Thanks for replies!

  6. #6
    Shop manual says Clockwise rotation.... Meaning reverse threads.. This is not a typo correct?... Righty tighty, Lefty loosey does NOT apply correct???

  7. #7
    EVN81's Avatar
    Join Date
    Jul 2013
    Terschelling - the Netherlands
    Not sure what manual you use but the impeller is counterclockwise loosening.......

    The impeller boot is clockwise loosening due LH threads.

  8. #8
    using BRP 2008 shop manual. Specifically says both impeller boot and impeller are clockwise rotation to loosen.

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