How soon to change both water pumps

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by Tekken, Aug 20, 2019.

  1. Tekken

    Tekken Member

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    I don't see any recommendation of how soon should change Engine Water pump? And there are inverter water pump too right. As it goes bad, overheat while driving.

    3 Gen Engine Water Pump after market about $300. I'm look to change since I'm going to change both engine and inverter coolant anyway. Any input are welcome.
     
    #1 Tekken, Aug 20, 2019
  2. tankyuong

    tankyuong Senior Member

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    #2 tankyuong, Aug 20, 2019
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  3. Raytheeagle

    Raytheeagle Senior Member

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    Did the engine water pump on our old 2010 at 175 k miles and the inverter water pump at 199 k miles;).

    Worked for us(y).
     
    #3 Raytheeagle, Aug 21, 2019
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  4. R_W

    R_W Junior Member

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    The water pump on my 2010 died at 185k. Haven't done anything with my inverter pump yet at 197k.
     
    #4 R_W, Aug 21, 2019
  5. schmuber

    schmuber Member

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    250K chiming in. Both pumps work well so far, no need to replace.
     
    #5 schmuber, Aug 21, 2019
  6. CR94

    CR94 Senior Member

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    Related question:. Do these pumps typically provide warning symptoms before failure, for example, unusual noise or slightly higher coolant temperature?
     
    #6 CR94, Aug 21, 2019
  7. Tekken

    Tekken Member

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    I guess too early to conclude it yet.. It's about averagely change Engine water pump on 150K+ miles. ??
     
    #7 Tekken, Aug 21, 2019
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  8. Tekken

    Tekken Member

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    Have you done any service or replace the HV battery on your 250K miles prius
     
    #8 Tekken, Aug 21, 2019
  9. schmuber

    schmuber Member

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    Other than general maintenance (fluid, brakes, EGR cleaning etc)? Yes, I had to replace the head gasket a few thousand miles back. Soon will have to replace one of the wheel bearings (it's been "dying" for the last 100K or so), shocks & struts. That's it, HV battery never gave me a problem so far.
     
    #9 schmuber, Aug 21, 2019
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