Water Pump Impeller Stuck

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by PriusMettaFitx, Oct 1, 2023.

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  1. PriusCamper

    PriusCamper Senior Member

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    Why can't you just go to a wrecker and get the metal plate the impeller goes into and toss the one that's stuck? I mean all this fuss over something that can be replaced rather than re-used. It makes no sense?
     
    #21 PriusCamper, Oct 6, 2023
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  2. PriusMettaFitx

    PriusMettaFitx Junior Member

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    Good point. I may do that. I’ve tried torch heat, wd40, and sandpaper. It seems to be stuck on the inner diameter where the metal prong it. I can get it out about an 1/8 inch and can also slide a thin credit card on the outer diameter between the impeller and the plastic on the pump housing but no budge
     
    #22 PriusMettaFitx, Oct 7, 2023
  3. PriusMettaFitx

    PriusMettaFitx Junior Member

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    Here’s where I am at.

    just trying to save a couple hundred bucks and use my new impeller
     

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    #23 PriusMettaFitx, Oct 7, 2023
  4. PriusCamper

    PriusCamper Senior Member

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    That's enough room for an air compressor to blast it out...
     
    #24 PriusCamper, Oct 7, 2023
  5. PriusMettaFitx

    PriusMettaFitx Junior Member

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    Yeah and I tried that too. No budge. It seized on inner diameter one I get it out about 1/8 of inch
     
    #25 PriusMettaFitx, Oct 7, 2023
  6. PriusCamper

    PriusCamper Senior Member

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    How about a pen knife? Preferably one that's extra long and extra narrow...
     
    #26 PriusCamper, Oct 7, 2023
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  7. PriusMettaFitx

    PriusMettaFitx Junior Member

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    Got it! The 2 ton puller loaner tool did the trick!!
     
    #27 PriusMettaFitx, Oct 8, 2023
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  8. PriusMettaFitx

    PriusMettaFitx Junior Member

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    Pic
     

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    #28 PriusMettaFitx, Oct 8, 2023
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  9. PriusCamper

    PriusCamper Senior Member

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    Lol... I have two of those tools... Didn't think of suggesting it because it seemed like more than you'd need.
     
    #29 PriusCamper, Oct 8, 2023
  10. Brian1954

    Brian1954 Senior Member

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    Can you please post a few pictures of the white plastic on the end of the impeller that you removed?

    Posted via the PriusChat mobile app.
     
    #30 Brian1954, Oct 8, 2023
  11. PriusMettaFitx

    PriusMettaFitx Junior Member

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    The outside white plastic was fine. It was the inner diameter (against the shaft) that the plastic pealed off and caused it to be stuck
     
    #31 PriusMettaFitx, Oct 8, 2023
  12. PriusMettaFitx

    PriusMettaFitx Junior Member

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    The outside white plastic was fine. It was the inner diameter (against the shaft) that the plastic pealed off and caused it to be stuck
     
    #31 PriusMettaFitx, Oct 8, 2023
  13. PriusMettaFitx

    PriusMettaFitx Junior Member

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    The outside white plastic was fine. It was the inner diameter (against the shaft) that the plastic pealed off and caused it to be stuck
     
    #31 PriusMettaFitx, Oct 8, 2023
  14. Brian1954

    Brian1954 Senior Member

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    Very interesting. This is the first time that I heard that the problem was on the inside diameter. Thank you.

    Posted via the PriusChat mobile app.
     
    #32 Brian1954, Oct 8, 2023
  15. PriusMettaFitx

    PriusMettaFitx Junior Member

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    Yeah it was about a centimeter wide ring and that’s what was causing it no to be able to slide off
     
    #33 PriusMettaFitx, Oct 9, 2023
  16. ASRDogman

    ASRDogman Senior Member

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    Did the shaft get damaged? Were you able to clean it up to make it smooth?

     
    #34 ASRDogman, Oct 9, 2023
  17. PriusMettaFitx

    PriusMettaFitx Junior Member

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    It looks good and spins great with new impeller but I’m gonna clean it a bit
     
    #35 PriusMettaFitx, Oct 9, 2023
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  18. V Sport Wagon

    V Sport Wagon Active Member

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    You can buy those water pump rebuild kits on eBay as well, it's just the magnet and the impeller piece swap out. Or spend the whopping $275 for a new OEM pump and be done with it. This is not something you want to risk..
     
    #36 V Sport Wagon, Oct 9, 2023
  19. PriusMettaFitx

    PriusMettaFitx Junior Member

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    yup, I got a new impeller for $30 and am using my old pump
     
    #37 PriusMettaFitx, Oct 9, 2023
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  20. ASRDogman

    ASRDogman Senior Member

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    I have 47,000 miles on my impeller....
     
    #38 ASRDogman, Oct 10, 2023
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  21. Rick Eiben

    Rick Eiben New Member

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    I know exactly what you’re going through and I have the same problem. I’m going to try to drill two holes on either side down into the metal and put an easy out in each one that way it’ll be a balance pull and it should come out. The magnets are just holding it in there and there’s really no way to pride out because the impellers gone.
     
    #39 Rick Eiben, Feb 20, 2025
  22. Rick Eiben

    Rick Eiben New Member

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    I have the same problem. I read through all of these responses and I’m not sure anybody really understands. Here’s what I did. Drill a small hole close to the center of what’s left, using thread cutting oil and go slowly. Get yourself a small easy out, and gently put it in there, tapping it with a hammer if you need to, and twisting until it’s firmly in. Use a small flat bladed screwdriver wedged in the side if you need to keep it from spinning while you’re working on it. Then spray a little WD-40 down in the middle, laid on its side and gently twist and move it around until it comes out. Mine was very difficult because it melted a piece of plastic to the shaft from the impeller. That’s what was keeping it stuck in there.
     
    #40 Rick Eiben, Feb 20, 2025
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