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heater water pump

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Michael Hammer, Jul 31, 2014.

  1. Michael Hammer

    Michael Hammer Junior Member

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    I have the new updated part number 16290-21010 pump but have no idea how to install it . The bracket is different that holds it together did I need to order another bracket or I`m I missing something .
     
    #1 Michael Hammer, Jul 31, 2014
  2. JC91006

    JC91006 Senior Member

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    are you replacing the inverter water pump or the engine water pump?
     
    #2 JC91006, Jul 31, 2014
  3. Michael Hammer

    Michael Hammer Junior Member

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    The heater water pump located next to the brake actuator .
     
    #3 Michael Hammer, Jul 31, 2014
  4. Patrick Wong

    Patrick Wong DIY Enthusiast

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    1. Provide some photos of the old and new pump.
    2. Is it possible you were sold the wrong pump?
     
    #4 Patrick Wong, Jul 31, 2014
  5. Michael Hammer

    Michael Hammer Junior Member

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    Okay I guess I ordered the wrong pump how many pumps are there I already ordered the invertor pump aswell .
     
    #5 Michael Hammer, Jul 31, 2014
  6. Patrick Wong

    Patrick Wong DIY Enthusiast

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    North America 2G Prius has four coolant pumps:

    1. engine coolant (mechanical, spun by engine crankshaft pulley and serpentine drive belt)
    2. inverter coolant (behind driver's headlight assembly)
    3. cabin heater (on firewall)
    4. engine coolant heat recovery system (next to CHRS canister in LF fender well)
     
    #6 Patrick Wong, Aug 1, 2014
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