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  1. #1
    Join Date
    Jul 2011
    Location
    Fair Play, SC
    Posts
    84

    Default "Interesting" Impeller Problem

    I went out for a ski yesterday and experienced an "interesting" situation with my impeller. During a run, the engine sound changed pitch and on investigation I decided the impeller had probably blown. The check engine light was flashing and the temperature gauge was hovering at 200 or a bit below - definitely was not topped out. We limped back to the dock and the temp didn't go up further but didn't go down either.

    Today, I removed the impeller and was expecting broken fins - no breaks - the impeller really looked very good. Just for grins, I decided to turn the engine over with the cap to the water pump off. The impeller would start to spin but then it stopped ... several times. When I went to the dealer, he initially told me there was nothing wrong with the impeller. When I told him about the lack of spin, he determined that the inner metal hub had broken loose from the rubber - it was still too tight to turn by hand but ... My dealer said that he had only seen the same thing happen once before - early last spring on a brand new (just out of shrink wrap) Malibu.

    Anyway, if your engine seems to have blown an impeller but the impeller looks good, check to see if the hub broke loose ... don't assume it is OK.
    Richard (LakePerson1952)
    2010 Moomba Outback - Loving it!

  2. #2
    Join Date
    Aug 2009
    Location
    Montana
    Posts
    3,062

    Default

    I've heard of that happening before. Not as common as many issues but not unheard of either!

    2007 Moomba Outback - going, going, GONE
    2015 "NOT A MOOMBA"

    Why Not? Play Hard! Get wet

  3. #3
    Join Date
    Jan 2008
    Location
    Tallahassee, FL
    Posts
    14,071

    Default

    My Mom said I'm not allowed to get wet!
    2008 LSV (sold)
    2000 Outback LS (sold)
    LLTR!!!!!!!!



  4. #4
    Join Date
    Mar 2003
    Location
    Springfield Missouri
    Posts
    3,391

    Default

    Thanks for the info. i wouldn't have expected that.
    1998 Mobius
    310 HP PCM
    SOLD

  5. #5
    Join Date
    May 2011
    Location
    Flower Mound, TX
    Posts
    1,506

    Default

    X2... another thing to add to the catalog of troubleshooting in our heads.
    '08 Mobius LS. Sold
    '18 Craz "TypeO"
    REV10's, Revo6 xss, Kicker10, Kicker 12 CompR, various LED's

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